<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2023 Workiva-->
<!--r:b95d04a7-d3ed-4a20-855f-adce788420e5,g:f0c7f62a-326f-49c2-bede-69d61699f09d-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.renttherunway.com/role/Cover" xlink:type="simple" xlink:href="wdq-20230731.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityListingsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_5ff50bc0-6f55-46ce-a159-58d8c4ded789" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_DocumentType_5ff50bc0-6f55-46ce-a159-58d8c4ded789" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_9a0aa107-7d4f-436d-ae29-6d4c68ddc0a4" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_DocumentQuarterlyReport_9a0aa107-7d4f-436d-ae29-6d4c68ddc0a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_60db42a7-0438-4026-b0b8-503333a59fc1" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_DocumentPeriodEndDate_60db42a7-0438-4026-b0b8-503333a59fc1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_4ee7983f-a544-40be-97ae-096e9a361baf" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_DocumentTransitionReport_4ee7983f-a544-40be-97ae-096e9a361baf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_abf61992-29a8-469e-9ad7-764395ecb312" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityFileNumber_abf61992-29a8-469e-9ad7-764395ecb312" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_2e2316d1-3c33-468f-9879-b1ad1c42919e" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityRegistrantName_2e2316d1-3c33-468f-9879-b1ad1c42919e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_44495475-9793-431f-b486-7f5baf8bdbf1" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityIncorporationStateCountryCode_44495475-9793-431f-b486-7f5baf8bdbf1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_487e800a-124c-40dd-94ae-64a0493ff656" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityTaxIdentificationNumber_487e800a-124c-40dd-94ae-64a0493ff656" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_62c64616-64c4-4f44-ba3c-a70455272e14" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityAddressAddressLine1_62c64616-64c4-4f44-ba3c-a70455272e14" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_7e1b5c86-553e-41a1-8f66-362950c0eb88" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityAddressCityOrTown_7e1b5c86-553e-41a1-8f66-362950c0eb88" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_412ff630-a420-41ae-b02b-496a2c7fc77b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityAddressStateOrProvince_412ff630-a420-41ae-b02b-496a2c7fc77b" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_39c9fc87-716a-46b7-8588-a289a8150623" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityAddressPostalZipCode_39c9fc87-716a-46b7-8588-a289a8150623" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_641a506a-140e-4684-ac52-6c973a416b3c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_CityAreaCode_641a506a-140e-4684-ac52-6c973a416b3c" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_fe1f34ae-6531-490a-9e45-35b0b02eef6a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_LocalPhoneNumber_fe1f34ae-6531-490a-9e45-35b0b02eef6a" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_48180131-4b35-43cf-86a8-a0062212d3ec" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_Security12bTitle_48180131-4b35-43cf-86a8-a0062212d3ec" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_360861e1-98ac-4fd5-a92e-a846047e4ef3" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_TradingSymbol_360861e1-98ac-4fd5-a92e-a846047e4ef3" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_79e2b587-94f5-45ca-9d46-1a9d782739ed" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_SecurityExchangeName_79e2b587-94f5-45ca-9d46-1a9d782739ed" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_9b2acea5-65be-4def-a922-b54432c0ac59" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityCurrentReportingStatus_9b2acea5-65be-4def-a922-b54432c0ac59" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_4b828e95-406d-46ed-be01-5273f0cb2862" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityInteractiveDataCurrent_4b828e95-406d-46ed-be01-5273f0cb2862" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_18b012b5-2abf-41d4-819d-d7cf17419555" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityFilerCategory_18b012b5-2abf-41d4-819d-d7cf17419555" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_b00935e4-b41d-44f3-9517-7b8972d62099" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntitySmallBusiness_b00935e4-b41d-44f3-9517-7b8972d62099" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_fa6a33d8-dbda-4b5c-8194-54a30c51d687" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityEmergingGrowthCompany_fa6a33d8-dbda-4b5c-8194-54a30c51d687" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_ada398cf-67e9-4b2c-93da-ba2a2b5a7a01" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityExTransitionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityExTransitionPeriod_ada398cf-67e9-4b2c-93da-ba2a2b5a7a01" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_0f023be7-7aae-443f-89a6-de1c6af5629c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityShellCompany_0f023be7-7aae-443f-89a6-de1c6af5629c" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_9b71ac77-8e3d-4df9-baf6-eec3da69f4e0" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_9b71ac77-8e3d-4df9-baf6-eec3da69f4e0" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_b54b2340-8e7b-4645-8b74-b959e4cf4fe7" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityCentralIndexKey_b54b2340-8e7b-4645-8b74-b959e4cf4fe7" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_f005a7c3-b37c-4b0e-aee9-09d25356e038" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_CurrentFiscalYearEndDate_f005a7c3-b37c-4b0e-aee9-09d25356e038" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_7912ec3c-345d-4a35-bf8e-5038edf781d6" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_DocumentFiscalYearFocus_7912ec3c-345d-4a35-bf8e-5038edf781d6" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_468f59c0-cb91-40e7-9df1-41d11be61003" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_DocumentFiscalPeriodFocus_468f59c0-cb91-40e7-9df1-41d11be61003" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_b99d2572-77db-4dfb-b10a-ce239a7547cb" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_AmendmentFlag_b99d2572-77db-4dfb-b10a-ce239a7547cb" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingsTable_6d45ba96-b7d1-4449-b06f-fab488e7eebe" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityListingsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityListingsLineItems_9eab75ff-e83c-4093-a15f-44aa7cff1dd9" xlink:to="loc_dei_EntityListingsTable_6d45ba96-b7d1-4449-b06f-fab488e7eebe" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_5b2174af-5160-4f75-9e8a-b1620abedea0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntityListingsTable_6d45ba96-b7d1-4449-b06f-fab488e7eebe" xlink:to="loc_us-gaap_StatementClassOfStockAxis_5b2174af-5160-4f75-9e8a-b1620abedea0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_5b2174af-5160-4f75-9e8a-b1620abedea0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_5b2174af-5160-4f75-9e8a-b1620abedea0" xlink:to="loc_us-gaap_ClassOfStockDomain_5b2174af-5160-4f75-9e8a-b1620abedea0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c4c39779-b8e5-4507-afbb-a147f59ae8d3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_5b2174af-5160-4f75-9e8a-b1620abedea0" xlink:to="loc_us-gaap_ClassOfStockDomain_c4c39779-b8e5-4507-afbb-a147f59ae8d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_340fc6e7-5290-4701-a3d5-3328f43fbf27" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c4c39779-b8e5-4507-afbb-a147f59ae8d3" xlink:to="loc_us-gaap_CommonClassAMember_340fc6e7-5290-4701-a3d5-3328f43fbf27" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_b3330e2f-eacd-4143-9054-5ace6a83d6f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c4c39779-b8e5-4507-afbb-a147f59ae8d3" xlink:to="loc_us-gaap_CommonClassBMember_b3330e2f-eacd-4143-9054-5ace6a83d6f3" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="wdq-20230731.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_7176c212-8f45-48da-8982-0090ca4c1161" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_7176c212-8f45-48da-8982-0090ca4c1161" xlink:to="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_6b4d2316-832c-4787-9a06-230b3fc6096b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:to="loc_us-gaap_AssetsCurrentAbstract_6b4d2316-832c-4787-9a06-230b3fc6096b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_6b570b27-9d28-47de-8cad-904608cdd8e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6b4d2316-832c-4787-9a06-230b3fc6096b" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_6b570b27-9d28-47de-8cad-904608cdd8e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_ad6adbb7-7fa2-4f44-aa7b-9d0f612be7e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6b4d2316-832c-4787-9a06-230b3fc6096b" xlink:to="loc_us-gaap_RestrictedCashCurrent_ad6adbb7-7fa2-4f44-aa7b-9d0f612be7e2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2573b1d9-837b-4a51-95e4-84daf8573422" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6b4d2316-832c-4787-9a06-230b3fc6096b" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2573b1d9-837b-4a51-95e4-84daf8573422" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_d095e4ff-60e9-46b5-ac98-897e3cdb8a37" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_6b4d2316-832c-4787-9a06-230b3fc6096b" xlink:to="loc_us-gaap_AssetsCurrent_d095e4ff-60e9-46b5-ac98-897e3cdb8a37" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_703f9d8f-3f89-44fc-b584-113236b04729" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_703f9d8f-3f89-44fc-b584-113236b04729" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_RentalProductNet_2aa0bd62-c092-4f48-b91e-aceaae848b8e" xlink:href="wdq-20230731.xsd#wdq_RentalProductNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:to="loc_wdq_RentalProductNet_2aa0bd62-c092-4f48-b91e-aceaae848b8e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_54349168-6e42-4178-809a-6d30963b656d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_54349168-6e42-4178-809a-6d30963b656d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_d7378508-1481-495c-81cd-9bf6e4491e8b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_d7378508-1481-495c-81cd-9bf6e4491e8b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_7636b34b-3768-4315-bad0-2702562239e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_7636b34b-3768-4315-bad0-2702562239e2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_b7a323c5-1210-44c6-893c-4110aefbc005" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_b7a323c5-1210-44c6-893c-4110aefbc005" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_f1f1a58a-95a2-4cc7-9eb7-5c768f19ea7a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_c8b95c7e-0916-4616-a76d-85544b25fdb0" xlink:to="loc_us-gaap_Assets_f1f1a58a-95a2-4cc7-9eb7-5c768f19ea7a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_7176c212-8f45-48da-8982-0090ca4c1161" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_9e28489d-ce01-442e-94e8-f3e959c59edd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_9e28489d-ce01-442e-94e8-f3e959c59edd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_e3d10b25-2610-426d-9b68-0741f962760d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_9e28489d-ce01-442e-94e8-f3e959c59edd" xlink:to="loc_us-gaap_AccountsPayableCurrent_e3d10b25-2610-426d-9b68-0741f962760d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AccruedLiabilitiesAndOtherLiabilitiesCurrent_60adeb12-fc58-46f6-b0f5-5ec4e3eea146" xlink:href="wdq-20230731.xsd#wdq_AccruedLiabilitiesAndOtherLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_9e28489d-ce01-442e-94e8-f3e959c59edd" xlink:to="loc_wdq_AccruedLiabilitiesAndOtherLiabilitiesCurrent_60adeb12-fc58-46f6-b0f5-5ec4e3eea146" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueCurrent_13bc32ad-9183-4a2d-983b-e6dc09d4f3e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredRevenueCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_9e28489d-ce01-442e-94e8-f3e959c59edd" xlink:to="loc_us-gaap_DeferredRevenueCurrent_13bc32ad-9183-4a2d-983b-e6dc09d4f3e6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_CustomerCreditLiabilitiesCurrent_76328976-6004-4463-8060-4086385c7679" xlink:href="wdq-20230731.xsd#wdq_CustomerCreditLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_9e28489d-ce01-442e-94e8-f3e959c59edd" xlink:to="loc_wdq_CustomerCreditLiabilitiesCurrent_76328976-6004-4463-8060-4086385c7679" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_5e000051-0b1d-4fe6-92f5-6bfb6fd94c94" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_9e28489d-ce01-442e-94e8-f3e959c59edd" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_5e000051-0b1d-4fe6-92f5-6bfb6fd94c94" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_cb096edf-a415-4c4d-8cb4-c64689813c95" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_9e28489d-ce01-442e-94e8-f3e959c59edd" xlink:to="loc_us-gaap_LiabilitiesCurrent_cb096edf-a415-4c4d-8cb4-c64689813c95" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_1d053eff-e44b-458a-88cc-01578b16b97a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_1d053eff-e44b-458a-88cc-01578b16b97a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_d576be30-8851-443b-8c7b-cb3d1c9bbb32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_d576be30-8851-443b-8c7b-cb3d1c9bbb32" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_8a0a1af5-ee9e-4221-94e2-ce8d378d0569" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_8a0a1af5-ee9e-4221-94e2-ce8d378d0569" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_b41e784c-d9d6-4692-9bcd-78da53304a4c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:to="loc_us-gaap_Liabilities_b41e784c-d9d6-4692-9bcd-78da53304a4c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_f61885c7-c2a5-47a4-82ea-0df1a772e1ee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:to="loc_us-gaap_CommitmentsAndContingencies_f61885c7-c2a5-47a4-82ea-0df1a772e1ee" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_5c2a3e50-1be8-4b46-b7aa-1a8464d73982" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:to="loc_us-gaap_StockholdersEquityAbstract_5c2a3e50-1be8-4b46-b7aa-1a8464d73982" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_f79ad58e-756e-4f19-9071-dae5355c72cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_5c2a3e50-1be8-4b46-b7aa-1a8464d73982" xlink:to="loc_us-gaap_CommonStockValue_f79ad58e-756e-4f19-9071-dae5355c72cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_b30a7989-92dd-47f4-846e-7181ab8dd3f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_5c2a3e50-1be8-4b46-b7aa-1a8464d73982" xlink:to="loc_us-gaap_PreferredStockValue_b30a7989-92dd-47f4-846e-7181ab8dd3f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_08ca2b82-e19f-4fbe-8cd5-0d630f653ef3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_5c2a3e50-1be8-4b46-b7aa-1a8464d73982" xlink:to="loc_us-gaap_AdditionalPaidInCapital_08ca2b82-e19f-4fbe-8cd5-0d630f653ef3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f60985f7-80a5-4c61-ae08-74af75aee354" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_5c2a3e50-1be8-4b46-b7aa-1a8464d73982" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f60985f7-80a5-4c61-ae08-74af75aee354" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_f3d08fe3-3efe-46d9-9572-910cea7442f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_5c2a3e50-1be8-4b46-b7aa-1a8464d73982" xlink:to="loc_us-gaap_StockholdersEquity_f3d08fe3-3efe-46d9-9572-910cea7442f7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_0fb2a33f-4835-4eee-8354-d8e9c83f6eba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_890cf17f-fea6-4c95-8344-cca0e743e289" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_0fb2a33f-4835-4eee-8354-d8e9c83f6eba" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_d86b44f1-a30c-41b9-88d8-f4693417cfed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_7176c212-8f45-48da-8982-0090ca4c1161" xlink:to="loc_us-gaap_StatementTable_d86b44f1-a30c-41b9-88d8-f4693417cfed" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_ffe3cb73-212f-4c94-aabf-8b1e06e25d0d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_d86b44f1-a30c-41b9-88d8-f4693417cfed" xlink:to="loc_us-gaap_StatementClassOfStockAxis_ffe3cb73-212f-4c94-aabf-8b1e06e25d0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ffe3cb73-212f-4c94-aabf-8b1e06e25d0d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ffe3cb73-212f-4c94-aabf-8b1e06e25d0d" xlink:to="loc_us-gaap_ClassOfStockDomain_ffe3cb73-212f-4c94-aabf-8b1e06e25d0d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ebc6c894-5635-4b0a-a68b-d964ff50b300" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ffe3cb73-212f-4c94-aabf-8b1e06e25d0d" xlink:to="loc_us-gaap_ClassOfStockDomain_ebc6c894-5635-4b0a-a68b-d964ff50b300" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_da6a5483-3c23-4372-8ca5-55331f213c88" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ebc6c894-5635-4b0a-a68b-d964ff50b300" xlink:to="loc_us-gaap_CommonClassAMember_da6a5483-3c23-4372-8ca5-55331f213c88" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_d3b753b8-68cf-4aa2-ba65-721d61b0b40a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ebc6c894-5635-4b0a-a68b-d964ff50b300" xlink:to="loc_us-gaap_CommonClassBMember_d3b753b8-68cf-4aa2-ba65-721d61b0b40a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="wdq-20230731.xsd#CondensedConsolidatedBalanceSheetsParenthetical"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_82a51a87-4bd0-430a-9215-e1b7eb0194f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_82a51a87-4bd0-430a-9215-e1b7eb0194f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_7be51a2d-1476-4230-9195-33bc3abe7b91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_7be51a2d-1476-4230-9195-33bc3abe7b91" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_b9cda211-6d8c-48d8-a7eb-014a9a50bb3d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_CommonStockSharesIssued_b9cda211-6d8c-48d8-a7eb-014a9a50bb3d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_d9f410cc-9cbf-4022-9f87-f00ca4da48d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_d9f410cc-9cbf-4022-9f87-f00ca4da48d8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_7c817f74-0029-4278-9c5e-656f1f5f6911" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_7c817f74-0029-4278-9c5e-656f1f5f6911" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_3c7e21b2-abd7-4023-99b9-44bc2888b147" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_3c7e21b2-abd7-4023-99b9-44bc2888b147" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_a651d544-e765-45e2-883f-19da6db15532" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_PreferredStockSharesIssued_a651d544-e765-45e2-883f-19da6db15532" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_1481087f-a839-4be6-9090-772b087f2d0c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_1481087f-a839-4be6-9090-772b087f2d0c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_891584c5-f153-4bcf-b408-49af5dfcc2f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_bd9a8500-4f95-4b03-9be8-7e229eee7427" xlink:to="loc_us-gaap_StatementTable_891584c5-f153-4bcf-b408-49af5dfcc2f9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_e116c2da-a57a-488c-abfd-92305c96abf6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_891584c5-f153-4bcf-b408-49af5dfcc2f9" xlink:to="loc_us-gaap_StatementClassOfStockAxis_e116c2da-a57a-488c-abfd-92305c96abf6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e116c2da-a57a-488c-abfd-92305c96abf6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_e116c2da-a57a-488c-abfd-92305c96abf6" xlink:to="loc_us-gaap_ClassOfStockDomain_e116c2da-a57a-488c-abfd-92305c96abf6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_50af40ef-7ecc-4f00-aa88-cc490fecd909" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_e116c2da-a57a-488c-abfd-92305c96abf6" xlink:to="loc_us-gaap_ClassOfStockDomain_50af40ef-7ecc-4f00-aa88-cc490fecd909" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_58476208-bea2-42c6-9dc3-035139ec1d9b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_50af40ef-7ecc-4f00-aa88-cc490fecd909" xlink:to="loc_us-gaap_CommonClassAMember_58476208-bea2-42c6-9dc3-035139ec1d9b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_b0deb4e0-eba0-4630-bf8d-8c7730d6bf00" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_50af40ef-7ecc-4f00-aa88-cc490fecd909" xlink:to="loc_us-gaap_CommonClassBMember_b0deb4e0-eba0-4630-bf8d-8c7730d6bf00" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/CondensedConsolidatedStatementsofChangesinStockholdersEquityDeficit" xlink:type="simple" xlink:href="wdq-20230731.xsd#CondensedConsolidatedStatementsofChangesinStockholdersEquityDeficit"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/CondensedConsolidatedStatementsofChangesinStockholdersEquityDeficit" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_5a68bd5c-d063-49e1-a21f-c26fcdfc2b19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_62a9f46c-a083-47f3-8a72-112501bfa20c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5a68bd5c-d063-49e1-a21f-c26fcdfc2b19" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_62a9f46c-a083-47f3-8a72-112501bfa20c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_643db8c1-ad73-48f5-8f5a-67b323b19f59" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_62a9f46c-a083-47f3-8a72-112501bfa20c" xlink:to="loc_us-gaap_SharesOutstanding_643db8c1-ad73-48f5-8f5a-67b323b19f59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b6f77626-193a-41b4-bc39-f70c6a858d65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_62a9f46c-a083-47f3-8a72-112501bfa20c" xlink:to="loc_us-gaap_StockholdersEquity_b6f77626-193a-41b4-bc39-f70c6a858d65" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_d9f64c6d-ef23-4256-ae8c-9ae10c6f9393" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_62a9f46c-a083-47f3-8a72-112501bfa20c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_d9f64c6d-ef23-4256-ae8c-9ae10c6f9393" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_755aaaa1-cc0e-4db2-8aac-483773b73e04" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_62a9f46c-a083-47f3-8a72-112501bfa20c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_755aaaa1-cc0e-4db2-8aac-483773b73e04" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_84750454-a4a9-4ef4-9dfa-ece65e194bed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_62a9f46c-a083-47f3-8a72-112501bfa20c" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_84750454-a4a9-4ef4-9dfa-ece65e194bed" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_0888343b-a8dd-43d9-aca0-2f8dc8d93d2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_62a9f46c-a083-47f3-8a72-112501bfa20c" xlink:to="loc_us-gaap_NetIncomeLoss_0888343b-a8dd-43d9-aca0-2f8dc8d93d2d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_61be2cb8-77d9-456f-8386-36075d18abb3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_40e77e90-6926-4bc7-bce6-8bda36833a00" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_14c30161-ce31-46cd-9ead-4b9ce6e60484" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_5a68bd5c-d063-49e1-a21f-c26fcdfc2b19" xlink:to="loc_us-gaap_StatementTable_14c30161-ce31-46cd-9ead-4b9ce6e60484" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_a6322e6c-a3f1-43b3-b51a-e0324d48bf26" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_14c30161-ce31-46cd-9ead-4b9ce6e60484" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_a6322e6c-a3f1-43b3-b51a-e0324d48bf26" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_a6322e6c-a3f1-43b3-b51a-e0324d48bf26_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_a6322e6c-a3f1-43b3-b51a-e0324d48bf26" xlink:to="loc_us-gaap_EquityComponentDomain_a6322e6c-a3f1-43b3-b51a-e0324d48bf26_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_1227e88e-43c5-4026-8952-33252071ccb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_a6322e6c-a3f1-43b3-b51a-e0324d48bf26" xlink:to="loc_us-gaap_EquityComponentDomain_1227e88e-43c5-4026-8952-33252071ccb7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_fca9347e-c035-4d78-a59a-5f0ad80ee107" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_1227e88e-43c5-4026-8952-33252071ccb7" xlink:to="loc_us-gaap_CommonStockMember_fca9347e-c035-4d78-a59a-5f0ad80ee107" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_6ea7cfc2-c3cd-4945-b33f-3b1a800ac851" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_1227e88e-43c5-4026-8952-33252071ccb7" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_6ea7cfc2-c3cd-4945-b33f-3b1a800ac851" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_7d74da3a-bc4d-423e-a097-d8d5d7da12bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_1227e88e-43c5-4026-8952-33252071ccb7" xlink:to="loc_us-gaap_RetainedEarningsMember_7d74da3a-bc4d-423e-a097-d8d5d7da12bc" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#SummaryofSignificantAccountingPoliciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:href="wdq-20230731.xsd#wdq_AccountingPoliciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_80492ab8-9a77-43b6-b130-bfcb89d72fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_us-gaap_NumberOfReportableSegments_80492ab8-9a77-43b6-b130-bfcb89d72fbe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_f4ac2e45-0456-4a18-90cd-8dbbd9dc9f87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_us-gaap_NumberOfOperatingSegments_f4ac2e45-0456-4a18-90cd-8dbbd9dc9f87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNet_80c215b9-879c-4f7f-86ef-30246d513b79" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_us-gaap_AccountsReceivableNet_80c215b9-879c-4f7f-86ef-30246d513b79" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_d50e29af-9751-4108-b25b-1ac595590bb6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_d50e29af-9751-4108-b25b-1ac595590bb6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_NumberOfThirdPartyPartnersResponsibleForTheMajorityOfAccountsReceivableBalance_73c49e76-f462-4e22-bff9-cd121b6c5b10" xlink:href="wdq-20230731.xsd#wdq_NumberOfThirdPartyPartnersResponsibleForTheMajorityOfAccountsReceivableBalance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_wdq_NumberOfThirdPartyPartnersResponsibleForTheMajorityOfAccountsReceivableBalance_73c49e76-f462-4e22-bff9-cd121b6c5b10" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AssetsHeldForSaleRentalProduct_8460ec7b-f7d6-4aef-9d8e-5a27827b0bae" xlink:href="wdq-20230731.xsd#wdq_AssetsHeldForSaleRentalProduct"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_wdq_AssetsHeldForSaleRentalProduct_8460ec7b-f7d6-4aef-9d8e-5a27827b0bae" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AcceleratedDepreciationRentalProductHeldForSale_eb923dfe-01a7-4f9a-9707-c7c5a649dc44" xlink:href="wdq-20230731.xsd#wdq_AcceleratedDepreciationRentalProductHeldForSale"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_wdq_AcceleratedDepreciationRentalProductHeldForSale_eb923dfe-01a7-4f9a-9707-c7c5a649dc44" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfOtherProductiveAssets_0d0b44f0-468f-4909-a341-2ea8d911217d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleOfOtherProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_us-gaap_ProceedsFromSaleOfOtherProductiveAssets_0d0b44f0-468f-4909-a341-2ea8d911217d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_571e782e-7839-4b92-bc8a-227a6c0a4aa9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_571e782e-7839-4b92-bc8a-227a6c0a4aa9" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance_dd0b071d-cdb2-453d-bb7b-e1375ca120ec" xlink:href="wdq-20230731.xsd#wdq_ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_wdq_ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance_dd0b071d-cdb2-453d-bb7b-e1375ca120ec" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_OperatingLeaseLessorTimeForOrderPlacement_62ed698d-ad5d-4b2a-a83e-b53649150367" xlink:href="wdq-20230731.xsd#wdq_OperatingLeaseLessorTimeForOrderPlacement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_wdq_OperatingLeaseLessorTimeForOrderPlacement_62ed698d-ad5d-4b2a-a83e-b53649150367" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeaseTermOfContract_23c26c08-b7db-4e69-9742-42cfedbafcb5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_us-gaap_LessorOperatingLeaseTermOfContract_23c26c08-b7db-4e69-9742-42cfedbafcb5" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AccountingPoliciesTable_069e056c-9e8b-4267-9298-d058e2db67d2" xlink:href="wdq-20230731.xsd#wdq_AccountingPoliciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_wdq_AccountingPoliciesLineItems_3c086b31-86a0-4941-9504-83a6eb13b5e1" xlink:to="loc_wdq_AccountingPoliciesTable_069e056c-9e8b-4267-9298-d058e2db67d2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_e59ecc1d-91cb-4792-9296-76b203d05a32" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wdq_AccountingPoliciesTable_069e056c-9e8b-4267-9298-d058e2db67d2" xlink:to="loc_srt_ProductOrServiceAxis_e59ecc1d-91cb-4792-9296-76b203d05a32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_e59ecc1d-91cb-4792-9296-76b203d05a32_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_e59ecc1d-91cb-4792-9296-76b203d05a32" xlink:to="loc_srt_ProductsAndServicesDomain_e59ecc1d-91cb-4792-9296-76b203d05a32_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_ebffd911-b6ff-46ac-a1d4-535300a2b756" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_e59ecc1d-91cb-4792-9296-76b203d05a32" xlink:to="loc_srt_ProductsAndServicesDomain_ebffd911-b6ff-46ac-a1d4-535300a2b756" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_ApparelAndAccessoriesMember_c6483fbe-1518-48ab-b70b-381e619d998b" xlink:href="wdq-20230731.xsd#wdq_ApparelAndAccessoriesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_ebffd911-b6ff-46ac-a1d4-535300a2b756" xlink:to="loc_wdq_ApparelAndAccessoriesMember_c6483fbe-1518-48ab-b70b-381e619d998b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_9b2179b8-396c-4399-843b-b26c6bdf6e24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wdq_AccountingPoliciesTable_069e056c-9e8b-4267-9298-d058e2db67d2" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_9b2179b8-396c-4399-843b-b26c6bdf6e24" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_9b2179b8-396c-4399-843b-b26c6bdf6e24_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_9b2179b8-396c-4399-843b-b26c6bdf6e24" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_9b2179b8-396c-4399-843b-b26c6bdf6e24_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_204aa43a-9d53-4905-b6b1-d78a0a0cb4e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_9b2179b8-396c-4399-843b-b26c6bdf6e24" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_204aa43a-9d53-4905-b6b1-d78a0a0cb4e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_c72a8049-c214-4793-a6f2-2d15a89cc192" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_204aa43a-9d53-4905-b6b1-d78a0a0cb4e2" xlink:to="loc_us-gaap_SalesRevenueNetMember_c72a8049-c214-4793-a6f2-2d15a89cc192" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_8478b0ae-25c8-4f7e-a09d-0e6e779bb0f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wdq_AccountingPoliciesTable_069e056c-9e8b-4267-9298-d058e2db67d2" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_8478b0ae-25c8-4f7e-a09d-0e6e779bb0f0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_8478b0ae-25c8-4f7e-a09d-0e6e779bb0f0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_8478b0ae-25c8-4f7e-a09d-0e6e779bb0f0" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_8478b0ae-25c8-4f7e-a09d-0e6e779bb0f0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_24a23415-b208-4e52-a336-2b78962412f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_8478b0ae-25c8-4f7e-a09d-0e6e779bb0f0" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_24a23415-b208-4e52-a336-2b78962412f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductConcentrationRiskMember_7a5160b5-5367-4c56-bebb-08767bc2f53d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProductConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_24a23415-b208-4e52-a336-2b78962412f2" xlink:to="loc_us-gaap_ProductConcentrationRiskMember_7a5160b5-5367-4c56-bebb-08767bc2f53d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_3b4d91ea-5961-4640-bae1-3d20ad6b4fb7" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wdq_AccountingPoliciesTable_069e056c-9e8b-4267-9298-d058e2db67d2" xlink:to="loc_srt_RangeAxis_3b4d91ea-5961-4640-bae1-3d20ad6b4fb7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_3b4d91ea-5961-4640-bae1-3d20ad6b4fb7_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_3b4d91ea-5961-4640-bae1-3d20ad6b4fb7" xlink:to="loc_srt_RangeMember_3b4d91ea-5961-4640-bae1-3d20ad6b4fb7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_05c672ce-822d-4e3b-a017-d91ae63aaa83" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_3b4d91ea-5961-4640-bae1-3d20ad6b4fb7" xlink:to="loc_srt_RangeMember_05c672ce-822d-4e3b-a017-d91ae63aaa83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_767f75c6-5601-4080-ada9-9f2ee5bc7756" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_05c672ce-822d-4e3b-a017-d91ae63aaa83" xlink:to="loc_srt_MinimumMember_767f75c6-5601-4080-ada9-9f2ee5bc7756" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_669c8aed-0c21-453c-ba9a-ded8e4e7cb36" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_05c672ce-822d-4e3b-a017-d91ae63aaa83" xlink:to="loc_srt_MaximumMember_669c8aed-0c21-453c-ba9a-ded8e4e7cb36" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/SummaryofSignificantAccountingPoliciesEstimatedUsefulLivesandSalvageValuesDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#SummaryofSignificantAccountingPoliciesEstimatedUsefulLivesandSalvageValuesDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/SummaryofSignificantAccountingPoliciesEstimatedUsefulLivesandSalvageValuesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AccountingPoliciesLineItems_e3840137-bcd0-4627-b621-512f487a24cc" xlink:href="wdq-20230731.xsd#wdq_AccountingPoliciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_RentalProductUsefulLife_5d812969-c4e2-45fc-882d-8a3bc08fe0d7" xlink:href="wdq-20230731.xsd#wdq_RentalProductUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_e3840137-bcd0-4627-b621-512f487a24cc" xlink:to="loc_wdq_RentalProductUsefulLife_5d812969-c4e2-45fc-882d-8a3bc08fe0d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_RentalProductSalvageValue_6215186b-d327-458e-8c9d-f8c16f5990c3" xlink:href="wdq-20230731.xsd#wdq_RentalProductSalvageValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_AccountingPoliciesLineItems_e3840137-bcd0-4627-b621-512f487a24cc" xlink:to="loc_wdq_RentalProductSalvageValue_6215186b-d327-458e-8c9d-f8c16f5990c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_RentalProductTable_f99fa8b0-57d5-499a-81ff-9223073d9171" xlink:href="wdq-20230731.xsd#wdq_RentalProductTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_wdq_AccountingPoliciesLineItems_e3840137-bcd0-4627-b621-512f487a24cc" xlink:to="loc_wdq_RentalProductTable_f99fa8b0-57d5-499a-81ff-9223073d9171" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_588b7ba0-a329-4d3d-acd0-9cdb2601ee24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wdq_RentalProductTable_f99fa8b0-57d5-499a-81ff-9223073d9171" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_588b7ba0-a329-4d3d-acd0-9cdb2601ee24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_588b7ba0-a329-4d3d-acd0-9cdb2601ee24_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_588b7ba0-a329-4d3d-acd0-9cdb2601ee24" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_588b7ba0-a329-4d3d-acd0-9cdb2601ee24_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_624833b0-2649-4d3c-983f-7c5e2fa61634" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_588b7ba0-a329-4d3d-acd0-9cdb2601ee24" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_624833b0-2649-4d3c-983f-7c5e2fa61634" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_ApparelMember_564998af-fcc7-441c-82a7-48b35adc337e" xlink:href="wdq-20230731.xsd#wdq_ApparelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_624833b0-2649-4d3c-983f-7c5e2fa61634" xlink:to="loc_wdq_ApparelMember_564998af-fcc7-441c-82a7-48b35adc337e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AccessoriesMember_23ab7855-3420-4ec7-8adf-b3946854667e" xlink:href="wdq-20230731.xsd#wdq_AccessoriesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_624833b0-2649-4d3c-983f-7c5e2fa61634" xlink:to="loc_wdq_AccessoriesMember_23ab7855-3420-4ec7-8adf-b3946854667e" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/RentalProductNetRentalProductBreakdownDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#RentalProductNetRentalProductBreakdownDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/RentalProductNetRentalProductBreakdownDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_wdq_RentalProductLineItems_ff6b3c9d-dac9-497b-be78-1c6bd4b52bca" xlink:href="wdq-20230731.xsd#wdq_RentalProductLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_RentalProductGross_5c885008-deef-4704-a149-f33d4ff8d4ef" xlink:href="wdq-20230731.xsd#wdq_RentalProductGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_RentalProductLineItems_ff6b3c9d-dac9-497b-be78-1c6bd4b52bca" xlink:to="loc_wdq_RentalProductGross_5c885008-deef-4704-a149-f33d4ff8d4ef" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AccumulatedDepreciationDepletionAndAmortizationRentalProduct_5e90dfcb-f24a-47b3-b689-f34992e24909" xlink:href="wdq-20230731.xsd#wdq_AccumulatedDepreciationDepletionAndAmortizationRentalProduct"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_RentalProductLineItems_ff6b3c9d-dac9-497b-be78-1c6bd4b52bca" xlink:to="loc_wdq_AccumulatedDepreciationDepletionAndAmortizationRentalProduct_5e90dfcb-f24a-47b3-b689-f34992e24909" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_RentalProductNet_59e71447-090d-40a1-a4bc-bcc6a0645a7a" xlink:href="wdq-20230731.xsd#wdq_RentalProductNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_RentalProductLineItems_ff6b3c9d-dac9-497b-be78-1c6bd4b52bca" xlink:to="loc_wdq_RentalProductNet_59e71447-090d-40a1-a4bc-bcc6a0645a7a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_RentalProductTable_e1b9f532-7716-4c25-9247-d0cf9490ddb7" xlink:href="wdq-20230731.xsd#wdq_RentalProductTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_wdq_RentalProductLineItems_ff6b3c9d-dac9-497b-be78-1c6bd4b52bca" xlink:to="loc_wdq_RentalProductTable_e1b9f532-7716-4c25-9247-d0cf9490ddb7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_299ddccd-ae4e-4d6f-a326-e0abaea06364" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wdq_RentalProductTable_e1b9f532-7716-4c25-9247-d0cf9490ddb7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_299ddccd-ae4e-4d6f-a326-e0abaea06364" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_299ddccd-ae4e-4d6f-a326-e0abaea06364_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_299ddccd-ae4e-4d6f-a326-e0abaea06364" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_299ddccd-ae4e-4d6f-a326-e0abaea06364_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20953ce3-fbc5-4f68-a594-fee5c9e27943" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_299ddccd-ae4e-4d6f-a326-e0abaea06364" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20953ce3-fbc5-4f68-a594-fee5c9e27943" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_ApparelRentalProductMember_b76e3c3a-175a-4217-a05c-6f286d353d04" xlink:href="wdq-20230731.xsd#wdq_ApparelRentalProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20953ce3-fbc5-4f68-a594-fee5c9e27943" xlink:to="loc_wdq_ApparelRentalProductMember_b76e3c3a-175a-4217-a05c-6f286d353d04" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AccessoriesRentalProductMember_0f57663b-057c-45c2-aa14-0786adec8553" xlink:href="wdq-20230731.xsd#wdq_AccessoriesRentalProductMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_20953ce3-fbc5-4f68-a594-fee5c9e27943" xlink:to="loc_wdq_AccessoriesRentalProductMember_0f57663b-057c-45c2-aa14-0786adec8553" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/LongTermDebtScheduleofLongTermDebtDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#LongTermDebtScheduleofLongTermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/LongTermDebtScheduleofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_ed324e8f-6f5e-4056-b7ee-15f14fb5336f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_8b672afa-13fb-47b4-b56a-b676ab7a18f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_ed324e8f-6f5e-4056-b7ee-15f14fb5336f" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_8b672afa-13fb-47b4-b56a-b676ab7a18f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentPaymentInKindInterest_0372b157-5d37-49c1-9db9-15d742d9e9d2" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentPaymentInKindInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_8b672afa-13fb-47b4-b56a-b676ab7a18f9" xlink:to="loc_wdq_DebtInstrumentPaymentInKindInterest_0372b157-5d37-49c1-9db9-15d742d9e9d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_1a44a2d8-542d-43c9-90fb-58c75de3d17c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_8b672afa-13fb-47b4-b56a-b676ab7a18f9" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_1a44a2d8-542d-43c9-90fb-58c75de3d17c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_8a4772f1-7585-4389-b994-be9ef73f7854" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_ed324e8f-6f5e-4056-b7ee-15f14fb5336f" xlink:to="loc_us-gaap_LongTermDebt_8a4772f1-7585-4389-b994-be9ef73f7854" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_27711ee0-d7bf-4c6e-b0b0-009bd002e504" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_ed324e8f-6f5e-4056-b7ee-15f14fb5336f" xlink:to="loc_us-gaap_LongTermDebtCurrent_27711ee0-d7bf-4c6e-b0b0-009bd002e504" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_a289ff1a-bc19-4457-bca4-99498799aa57" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_ed324e8f-6f5e-4056-b7ee-15f14fb5336f" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_a289ff1a-bc19-4457-bca4-99498799aa57" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_0010e9c8-1fb8-475f-8fc3-98c2075b5c0a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_ed324e8f-6f5e-4056-b7ee-15f14fb5336f" xlink:to="loc_us-gaap_DebtInstrumentTable_0010e9c8-1fb8-475f-8fc3-98c2075b5c0a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_9e707923-af80-41b2-b869-f5c0766535f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0010e9c8-1fb8-475f-8fc3-98c2075b5c0a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_9e707923-af80-41b2-b869-f5c0766535f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9e707923-af80-41b2-b869-f5c0766535f2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_9e707923-af80-41b2-b869-f5c0766535f2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9e707923-af80-41b2-b869-f5c0766535f2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_f8eb860b-079f-468b-b6ec-de75ad36238d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_9e707923-af80-41b2-b869-f5c0766535f2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_f8eb860b-079f-468b-b6ec-de75ad36238d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_94b269ec-700a-431b-92d3-7585549747c9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f8eb860b-079f-468b-b6ec-de75ad36238d" xlink:to="loc_us-gaap_MediumTermNotesMember_94b269ec-700a-431b-92d3-7585549747c9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_d60984e1-63a1-47b7-bd2f-327f184bcc91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_0010e9c8-1fb8-475f-8fc3-98c2075b5c0a" xlink:to="loc_us-gaap_DebtInstrumentAxis_d60984e1-63a1-47b7-bd2f-327f184bcc91" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d60984e1-63a1-47b7-bd2f-327f184bcc91_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_d60984e1-63a1-47b7-bd2f-327f184bcc91" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d60984e1-63a1-47b7-bd2f-327f184bcc91_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7a1b3c58-c3da-40aa-bcc2-aa713afc7def" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_d60984e1-63a1-47b7-bd2f-327f184bcc91" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7a1b3c58-c3da-40aa-bcc2-aa713afc7def" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TemasekTermLoanMember_520611cf-f633-4036-867a-092ea4682bec" xlink:href="wdq-20230731.xsd#wdq_TemasekTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7a1b3c58-c3da-40aa-bcc2-aa713afc7def" xlink:to="loc_wdq_TemasekTermLoanMember_520611cf-f633-4036-867a-092ea4682bec" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/LongTermDebtNarrativeDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#LongTermDebtNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/LongTermDebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_11b713a0-3d46-4de7-92e8-582a5ad0e55d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_11b713a0-3d46-4de7-92e8-582a5ad0e55d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentFaceAmountAdditionalBorrowingCapacity_fbef3ee6-13c4-4a68-a786-f34cf2f1d8fe" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentFaceAmountAdditionalBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentFaceAmountAdditionalBorrowingCapacity_fbef3ee6-13c4-4a68-a786-f34cf2f1d8fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentInterestRateStatedPercentagePaidInKind_8f585c45-90ea-4882-98a2-9702dd33a0c3" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentInterestRateStatedPercentagePaidInKind"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentInterestRateStatedPercentagePaidInKind_8f585c45-90ea-4882-98a2-9702dd33a0c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentInterestRateStatedPercentageCash_0fa0c0a5-63cc-49ec-8e8c-13dfaf608c8d" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentInterestRateStatedPercentageCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentInterestRateStatedPercentageCash_0fa0c0a5-63cc-49ec-8e8c-13dfaf608c8d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_8eaff046-3379-474f-9d8d-da96846e76a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_8eaff046-3379-474f-9d8d-da96846e76a7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4808bd1b-dad1-48f9-9161-8587fe193fa1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4808bd1b-dad1-48f9-9161-8587fe193fa1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_da4abbf8-2a42-423a-b4a6-e619c8b85738" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_da4abbf8-2a42-423a-b4a6-e619c8b85738" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_cade03b0-dd5e-431d-ba0f-8be8f4aea83a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_cade03b0-dd5e-431d-ba0f-8be8f4aea83a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_e196872c-dde5-4036-9343-a5b3bd4e7401" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_e196872c-dde5-4036-9343-a5b3bd4e7401" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentUnamortizedDiscountAllocatedToWarrantsIssued_92fa4f43-21f2-481b-bc2c-512b6444db31" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentUnamortizedDiscountAllocatedToWarrantsIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentUnamortizedDiscountAllocatedToWarrantsIssued_92fa4f43-21f2-481b-bc2c-512b6444db31" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentConvertedInstrumentExtensionAmount_3d967fa6-88c8-4688-8a08-767e7f4c6b95" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentConvertedInstrumentExtensionAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentConvertedInstrumentExtensionAmount_3d967fa6-88c8-4688-8a08-767e7f4c6b95" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentFeeAmendment_7394526f-b27c-4edc-b818-02b301ee52e7" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentFeeAmendment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentFeeAmendment_7394526f-b27c-4edc-b818-02b301ee52e7" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentInterestRateStatedPercentageCashThrough2024_d74a5b06-cc6c-4f65-a969-0eb235392ed8" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentInterestRateStatedPercentageCashThrough2024"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentInterestRateStatedPercentageCashThrough2024_d74a5b06-cc6c-4f65-a969-0eb235392ed8" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentInterestRateStatedPercentageCashJuly2024AndThereafter_0a759334-8a99-4b3e-a1d5-a3f74cd1d92b" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentInterestRateStatedPercentageCashJuly2024AndThereafter"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentInterestRateStatedPercentageCashJuly2024AndThereafter_0a759334-8a99-4b3e-a1d5-a3f74cd1d92b" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateIncreaseDecrease_e9724de8-b8db-40fa-9eb9-9810e9d67b23" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_DebtInstrumentInterestRateIncreaseDecrease_e9724de8-b8db-40fa-9eb9-9810e9d67b23" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_55cc18f2-9cbd-4a4c-9130-f5ca36affacd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_55cc18f2-9cbd-4a4c-9130-f5ca36affacd" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2d9b4e96-d393-4dcd-80d8-c222c45ad8de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2d9b4e96-d393-4dcd-80d8-c222c45ad8de" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DebtInstrumentCovenantTermsMinimumLiquidityMaintenance_93eb3dad-fb67-4fd6-92f4-2c00cace36ee" xlink:href="wdq-20230731.xsd#wdq_DebtInstrumentCovenantTermsMinimumLiquidityMaintenance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_wdq_DebtInstrumentCovenantTermsMinimumLiquidityMaintenance_93eb3dad-fb67-4fd6-92f4-2c00cace36ee" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_006dd9a9-3020-4f90-a251-e10c76ad9ab9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2a5e0b78-9513-44e4-945a-ff678e1f9fc3" xlink:to="loc_us-gaap_DebtInstrumentTable_006dd9a9-3020-4f90-a251-e10c76ad9ab9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_df1fe0ee-e646-45d1-82e9-f35a9a7e9c85" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_006dd9a9-3020-4f90-a251-e10c76ad9ab9" xlink:to="loc_us-gaap_DebtInstrumentAxis_df1fe0ee-e646-45d1-82e9-f35a9a7e9c85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_df1fe0ee-e646-45d1-82e9-f35a9a7e9c85_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_df1fe0ee-e646-45d1-82e9-f35a9a7e9c85" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_df1fe0ee-e646-45d1-82e9-f35a9a7e9c85_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_dc3e95fc-bbc2-4ce5-a9a5-0943f1b649be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_df1fe0ee-e646-45d1-82e9-f35a9a7e9c85" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_dc3e95fc-bbc2-4ce5-a9a5-0943f1b649be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_InitialTemasekCommitmentsMember_8d78d581-b25a-48ce-8629-b3bb8cf41e05" xlink:href="wdq-20230731.xsd#wdq_InitialTemasekCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dc3e95fc-bbc2-4ce5-a9a5-0943f1b649be" xlink:to="loc_wdq_InitialTemasekCommitmentsMember_8d78d581-b25a-48ce-8629-b3bb8cf41e05" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_SubsequentTemasekCommitmentsMember_1b62bbe9-e280-4fb0-94a2-4a5eaa4ec3b6" xlink:href="wdq-20230731.xsd#wdq_SubsequentTemasekCommitmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dc3e95fc-bbc2-4ce5-a9a5-0943f1b649be" xlink:to="loc_wdq_SubsequentTemasekCommitmentsMember_1b62bbe9-e280-4fb0-94a2-4a5eaa4ec3b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TemasekFacilityAmendmentMember_6be2c744-e319-4d7b-bbe9-479f38ec1c8e" xlink:href="wdq-20230731.xsd#wdq_TemasekFacilityAmendmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dc3e95fc-bbc2-4ce5-a9a5-0943f1b649be" xlink:to="loc_wdq_TemasekFacilityAmendmentMember_6be2c744-e319-4d7b-bbe9-479f38ec1c8e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TemasekFacilityAndAmendedTemasekFacilityMember_fa26e2d6-c1bc-4b55-b70b-6c6cd473cd53" xlink:href="wdq-20230731.xsd#wdq_TemasekFacilityAndAmendedTemasekFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dc3e95fc-bbc2-4ce5-a9a5-0943f1b649be" xlink:to="loc_wdq_TemasekFacilityAndAmendedTemasekFacilityMember_fa26e2d6-c1bc-4b55-b70b-6c6cd473cd53" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TemasekTermLoanMember_1822e0ed-f4eb-4319-9de3-5a7f85263683" xlink:href="wdq-20230731.xsd#wdq_TemasekTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dc3e95fc-bbc2-4ce5-a9a5-0943f1b649be" xlink:to="loc_wdq_TemasekTermLoanMember_1822e0ed-f4eb-4319-9de3-5a7f85263683" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TemasekFacilityAmendmentTwoMember_e5a3d9b3-aafa-43b5-93cf-3365d5079505" xlink:href="wdq-20230731.xsd#wdq_TemasekFacilityAmendmentTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dc3e95fc-bbc2-4ce5-a9a5-0943f1b649be" xlink:to="loc_wdq_TemasekFacilityAmendmentTwoMember_e5a3d9b3-aafa-43b5-93cf-3365d5079505" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_2ac8e71f-848a-4e4c-8621-616a46430a36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_006dd9a9-3020-4f90-a251-e10c76ad9ab9" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_2ac8e71f-848a-4e4c-8621-616a46430a36" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2ac8e71f-848a-4e4c-8621-616a46430a36_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2ac8e71f-848a-4e4c-8621-616a46430a36" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2ac8e71f-848a-4e4c-8621-616a46430a36_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_adb87ae6-a34d-44e9-852d-d0335ff3c6bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2ac8e71f-848a-4e4c-8621-616a46430a36" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_adb87ae6-a34d-44e9-852d-d0335ff3c6bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_a20ae6f2-b444-4591-b1b2-acabefe90ebe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_adb87ae6-a34d-44e9-852d-d0335ff3c6bb" xlink:to="loc_us-gaap_MediumTermNotesMember_a20ae6f2-b444-4591-b1b2-acabefe90ebe" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/StockholdersEquityNarrativeDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#StockholdersEquityNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_VotingRightsOfCommonStockVotes_70b2705b-58d0-4d0a-9888-fe609b729ab3" xlink:href="wdq-20230731.xsd#wdq_VotingRightsOfCommonStockVotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:to="loc_wdq_VotingRightsOfCommonStockVotes_70b2705b-58d0-4d0a-9888-fe609b729ab3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_923a894a-0e87-442c-a868-2a15f4549154" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_923a894a-0e87-442c-a868-2a15f4549154" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_b5a92786-e268-4bb8-b342-ad0275d1687b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_b5a92786-e268-4bb8-b342-ad0275d1687b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_d22dc576-ddee-4793-9a95-3cea28fc9b69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:to="loc_us-gaap_PreferredStockSharesIssued_d22dc576-ddee-4793-9a95-3cea28fc9b69" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_c9ca63a8-4986-4774-a2bb-2ae7705c36f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_c9ca63a8-4986-4774-a2bb-2ae7705c36f3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_08df32e3-0be2-428c-8a48-0b1bc9810e54" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_08df32e3-0be2-428c-8a48-0b1bc9810e54" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_e5f97694-c8bf-465e-8f95-b0280dbd7ef5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_e5f97694-c8bf-465e-8f95-b0280dbd7ef5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_1bdfe5b1-ac77-4fb7-b2a6-65649bdcf9fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_d8150be7-6b69-4a16-b60f-bff686dafb84" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_1bdfe5b1-ac77-4fb7-b2a6-65649bdcf9fb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_9d702256-f81e-4873-b93a-8db2f98f8b0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_1bdfe5b1-ac77-4fb7-b2a6-65649bdcf9fb" xlink:to="loc_us-gaap_StatementClassOfStockAxis_9d702256-f81e-4873-b93a-8db2f98f8b0f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_9d702256-f81e-4873-b93a-8db2f98f8b0f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9d702256-f81e-4873-b93a-8db2f98f8b0f" xlink:to="loc_us-gaap_ClassOfStockDomain_9d702256-f81e-4873-b93a-8db2f98f8b0f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ca95e2e8-443c-42b6-96b8-38b3c3d31e07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9d702256-f81e-4873-b93a-8db2f98f8b0f" xlink:to="loc_us-gaap_ClassOfStockDomain_ca95e2e8-443c-42b6-96b8-38b3c3d31e07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_5f36c4ed-bbd2-44a4-a73e-060e134cd973" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ca95e2e8-443c-42b6-96b8-38b3c3d31e07" xlink:to="loc_us-gaap_CommonClassAMember_5f36c4ed-bbd2-44a4-a73e-060e134cd973" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_0f2cfaec-66cb-4291-aa37-57681222e0f5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ca95e2e8-443c-42b6-96b8-38b3c3d31e07" xlink:to="loc_us-gaap_CommonClassBMember_0f2cfaec-66cb-4291-aa37-57681222e0f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_c086f693-6688-41b8-9c98-8ea41a081bac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ca95e2e8-443c-42b6-96b8-38b3c3d31e07" xlink:to="loc_us-gaap_PreferredStockMember_c086f693-6688-41b8-9c98-8ea41a081bac" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_71fa9177-fc80-4243-a712-c18a00bf2888" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_1bdfe5b1-ac77-4fb7-b2a6-65649bdcf9fb" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_71fa9177-fc80-4243-a712-c18a00bf2888" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_71fa9177-fc80-4243-a712-c18a00bf2888_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_71fa9177-fc80-4243-a712-c18a00bf2888" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_71fa9177-fc80-4243-a712-c18a00bf2888_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_0f6e053b-82b2-440e-b0d7-bd6aefa4b1f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_71fa9177-fc80-4243-a712-c18a00bf2888" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_0f6e053b-82b2-440e-b0d7-bd6aefa4b1f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IPOMember_7fc12c5d-8616-42d4-a36a-cb32e2fc62c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IPOMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_0f6e053b-82b2-440e-b0d7-bd6aefa4b1f0" xlink:to="loc_us-gaap_IPOMember_7fc12c5d-8616-42d4-a36a-cb32e2fc62c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_4e09c56f-4309-46dd-84f8-da83224d3ecf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_1bdfe5b1-ac77-4fb7-b2a6-65649bdcf9fb" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_4e09c56f-4309-46dd-84f8-da83224d3ecf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_4e09c56f-4309-46dd-84f8-da83224d3ecf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_4e09c56f-4309-46dd-84f8-da83224d3ecf" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_4e09c56f-4309-46dd-84f8-da83224d3ecf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_1e5d42af-0dd2-4f04-9084-f0cbf05f28e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_4e09c56f-4309-46dd-84f8-da83224d3ecf" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_1e5d42af-0dd2-4f04-9084-f0cbf05f28e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsOneIssuedJuly2018Member_15aed51c-a9d4-41f7-8204-96e00b9cbde0" xlink:href="wdq-20230731.xsd#wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsOneIssuedJuly2018Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_1e5d42af-0dd2-4f04-9084-f0cbf05f28e3" xlink:to="loc_wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsOneIssuedJuly2018Member_15aed51c-a9d4-41f7-8204-96e00b9cbde0" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/StockholdersEquityWarrantsDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#StockholdersEquityWarrantsDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/StockholdersEquityWarrantsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_82308562-f178-4aea-9dd6-a02168e0c735" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_8553de97-13af-4b40-a480-fc45baa4f61d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_82308562-f178-4aea-9dd6-a02168e0c735" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_8553de97-13af-4b40-a480-fc45baa4f61d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_5f8991de-bee1-4181-97ff-af5430d0df38" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_82308562-f178-4aea-9dd6-a02168e0c735" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_5f8991de-bee1-4181-97ff-af5430d0df38" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding_a5845f1a-8477-44d0-aadb-51e96d72c3f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WarrantsAndRightsOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_82308562-f178-4aea-9dd6-a02168e0c735" xlink:to="loc_us-gaap_WarrantsAndRightsOutstanding_a5845f1a-8477-44d0-aadb-51e96d72c3f8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_880440e1-11e0-4486-b9b3-504ee4c3df36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_82308562-f178-4aea-9dd6-a02168e0c735" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_880440e1-11e0-4486-b9b3-504ee4c3df36" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_98d17916-a6b1-433a-9c11-b3636fe7a0c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_880440e1-11e0-4486-b9b3-504ee4c3df36" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_98d17916-a6b1-433a-9c11-b3636fe7a0c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_98d17916-a6b1-433a-9c11-b3636fe7a0c6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_98d17916-a6b1-433a-9c11-b3636fe7a0c6" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_98d17916-a6b1-433a-9c11-b3636fe7a0c6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_9784fb1d-ff80-4229-9185-165e9f7eceba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_98d17916-a6b1-433a-9c11-b3636fe7a0c6" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_9784fb1d-ff80-4229-9185-165e9f7eceba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:href="wdq-20230731.xsd#wdq_EquityClassifiedCommonStockWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_9784fb1d-ff80-4229-9185-165e9f7eceba" xlink:to="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedNovember2016Member_a0985949-511e-4fd5-9bb5-b291799fe00f" xlink:href="wdq-20230731.xsd#wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedNovember2016Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedNovember2016Member_a0985949-511e-4fd5-9bb5-b291799fe00f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJune2017Member_d61515bf-f6de-4488-93a4-1733784c7bc5" xlink:href="wdq-20230731.xsd#wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJune2017Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJune2017Member_d61515bf-f6de-4488-93a4-1733784c7bc5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedSeptember2017Member_90e51cb9-33e2-4219-85e2-2e2c713cdbe3" xlink:href="wdq-20230731.xsd#wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedSeptember2017Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedSeptember2017Member_90e51cb9-33e2-4219-85e2-2e2c713cdbe3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJanuary2018Member_61a0c0be-5877-43b9-ae36-643d7c19cfdf" xlink:href="wdq-20230731.xsd#wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJanuary2018Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJanuary2018Member_61a0c0be-5877-43b9-ae36-643d7c19cfdf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedApril2018Member_26b57b83-ee71-4c68-8a9e-00e58f8bb573" xlink:href="wdq-20230731.xsd#wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedApril2018Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedApril2018Member_26b57b83-ee71-4c68-8a9e-00e58f8bb573" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedNovember2015Member_3a611bdb-9228-4e47-a538-c3d0bf65959f" xlink:href="wdq-20230731.xsd#wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedNovember2015Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedNovember2015Member_3a611bdb-9228-4e47-a538-c3d0bf65959f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJune2016Member_2f791ad8-ce5a-4e3f-bdb8-4bd960baab5d" xlink:href="wdq-20230731.xsd#wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJune2016Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedJune2016Member_2f791ad8-ce5a-4e3f-bdb8-4bd960baab5d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedSeptember2016Member_3f5ec4ba-6eba-4781-bca8-bb614ae30191" xlink:href="wdq-20230731.xsd#wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedSeptember2016Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_TriplePointEquityClassifiedCommonStockWarrantsIssuedSeptember2016Member_3f5ec4ba-6eba-4781-bca8-bb614ae30191" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsTwoIssuedOctober2021Member_0bdae168-806e-4a79-aed7-3262cda61f5d" xlink:href="wdq-20230731.xsd#wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsTwoIssuedOctober2021Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsTwoIssuedOctober2021Member_0bdae168-806e-4a79-aed7-3262cda61f5d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsTwoIssuedJanuary2023Member_559e656a-3835-4fd3-9a21-c846f0c0c3fe" xlink:href="wdq-20230731.xsd#wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsTwoIssuedJanuary2023Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wdq_EquityClassifiedCommonStockWarrantsMember_b4bf08d4-afa2-4571-aabb-cb448d88cfda" xlink:to="loc_wdq_DoubleHelixTemasekEquityClassifiedCommonStockWarrantsTwoIssuedJanuary2023Member_559e656a-3835-4fd3-9a21-c846f0c0c3fe" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/SharebasedCompensationPlansNarrativeDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#SharebasedCompensationPlansNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/SharebasedCompensationPlansNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_ab2b00d8-5542-41dc-9f79-4f41b4c40c92" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_ab2b00d8-5542-41dc-9f79-4f41b4c40c92" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_c80fbb3e-50c0-41e1-977e-37d347dc6e58" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_c80fbb3e-50c0-41e1-977e-37d347dc6e58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_75808458-4770-44a0-b06c-244ea8036367" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_75808458-4770-44a0-b06c-244ea8036367" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_acc2dfae-cea1-4f73-a440-c62f5e578833" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_acc2dfae-cea1-4f73-a440-c62f5e578833" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0096c2a6-ffd1-483b-9acb-ac6ef90b0aff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_0096c2a6-ffd1-483b-9acb-ac6ef90b0aff" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_41499798-028d-4b31-aad9-6875b6879f06" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_41499798-028d-4b31-aad9-6875b6879f06" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_fecfc37c-007b-4b11-9897-666945652ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_fecfc37c-007b-4b11-9897-666945652ab4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_70e94fe9-cb29-45e8-a9b1-ec21a3703b0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_70e94fe9-cb29-45e8-a9b1-ec21a3703b0f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_e21a17d7-b5a3-445b-998c-333c3148bdf7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_e21a17d7-b5a3-445b-998c-333c3148bdf7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7d63660d-bcf8-4d8c-b585-c76751bf0a7c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3cb70c0e-2392-46dd-9e32-0c38fa076d22" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7d63660d-bcf8-4d8c-b585-c76751bf0a7c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_1511bc4a-8d78-447b-904f-dfd5776ea279" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7d63660d-bcf8-4d8c-b585-c76751bf0a7c" xlink:to="loc_us-gaap_PlanNameAxis_1511bc4a-8d78-447b-904f-dfd5776ea279" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_1511bc4a-8d78-447b-904f-dfd5776ea279_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_1511bc4a-8d78-447b-904f-dfd5776ea279" xlink:to="loc_us-gaap_PlanNameDomain_1511bc4a-8d78-447b-904f-dfd5776ea279_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_c7b6ada6-544d-4753-b9a4-bba2f7f5a50a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_1511bc4a-8d78-447b-904f-dfd5776ea279" xlink:to="loc_us-gaap_PlanNameDomain_c7b6ada6-544d-4753-b9a4-bba2f7f5a50a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_A2019PlanMember_f09f9c2a-e811-470a-8f6b-b3ae6217970f" xlink:href="wdq-20230731.xsd#wdq_A2019PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_c7b6ada6-544d-4753-b9a4-bba2f7f5a50a" xlink:to="loc_wdq_A2019PlanMember_f09f9c2a-e811-470a-8f6b-b3ae6217970f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_A2021PlanMember_c3efff00-c61b-41bb-88e2-21cb75f0d067" xlink:href="wdq-20230731.xsd#wdq_A2021PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_c7b6ada6-544d-4753-b9a4-bba2f7f5a50a" xlink:to="loc_wdq_A2021PlanMember_c3efff00-c61b-41bb-88e2-21cb75f0d067" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_OptionExchangePlanMember_8f7a46b4-85ac-470e-a026-39abf5d5d152" xlink:href="wdq-20230731.xsd#wdq_OptionExchangePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_c7b6ada6-544d-4753-b9a4-bba2f7f5a50a" xlink:to="loc_wdq_OptionExchangePlanMember_8f7a46b4-85ac-470e-a026-39abf5d5d152" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_61bfb80e-9133-44ca-a07d-ba032a1bbafa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7d63660d-bcf8-4d8c-b585-c76751bf0a7c" xlink:to="loc_us-gaap_AwardTypeAxis_61bfb80e-9133-44ca-a07d-ba032a1bbafa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_61bfb80e-9133-44ca-a07d-ba032a1bbafa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_61bfb80e-9133-44ca-a07d-ba032a1bbafa" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_61bfb80e-9133-44ca-a07d-ba032a1bbafa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1b6d5811-5b28-4d88-afa5-1d35ac374e10" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_61bfb80e-9133-44ca-a07d-ba032a1bbafa" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1b6d5811-5b28-4d88-afa5-1d35ac374e10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_49fcc2b7-4f18-48df-8fd9-adc0178705a9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1b6d5811-5b28-4d88-afa5-1d35ac374e10" xlink:to="loc_us-gaap_EmployeeStockOptionMember_49fcc2b7-4f18-48df-8fd9-adc0178705a9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_ee8ab1f0-c339-44cd-8cfc-067f59efb71d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1b6d5811-5b28-4d88-afa5-1d35ac374e10" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_ee8ab1f0-c339-44cd-8cfc-067f59efb71d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_f32412d1-da1c-45be-9a81-ccdfedbc6352" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7d63660d-bcf8-4d8c-b585-c76751bf0a7c" xlink:to="loc_srt_RangeAxis_f32412d1-da1c-45be-9a81-ccdfedbc6352" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_f32412d1-da1c-45be-9a81-ccdfedbc6352_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_f32412d1-da1c-45be-9a81-ccdfedbc6352" xlink:to="loc_srt_RangeMember_f32412d1-da1c-45be-9a81-ccdfedbc6352_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0bd9026c-bf89-4a26-a571-4b4a2d592387" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_f32412d1-da1c-45be-9a81-ccdfedbc6352" xlink:to="loc_srt_RangeMember_0bd9026c-bf89-4a26-a571-4b4a2d592387" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_7df5deed-4461-46df-9d58-91dd2a7f8c07" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0bd9026c-bf89-4a26-a571-4b4a2d592387" xlink:to="loc_srt_MinimumMember_7df5deed-4461-46df-9d58-91dd2a7f8c07" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_47f47f61-c627-4e28-a458-9dc49f1889f1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0bd9026c-bf89-4a26-a571-4b4a2d592387" xlink:to="loc_srt_MaximumMember_47f47f61-c627-4e28-a458-9dc49f1889f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_80df3849-ac82-4cd9-a1ad-ff0bd76f7e7d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7d63660d-bcf8-4d8c-b585-c76751bf0a7c" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_80df3849-ac82-4cd9-a1ad-ff0bd76f7e7d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_80df3849-ac82-4cd9-a1ad-ff0bd76f7e7d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_80df3849-ac82-4cd9-a1ad-ff0bd76f7e7d" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_80df3849-ac82-4cd9-a1ad-ff0bd76f7e7d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_a187a8d6-4637-428e-b965-ccd56a8af24e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_80df3849-ac82-4cd9-a1ad-ff0bd76f7e7d" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_a187a8d6-4637-428e-b965-ccd56a8af24e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_d8925259-56c2-4069-a4e3-02e643bc6a0a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a187a8d6-4637-428e-b965-ccd56a8af24e" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_d8925259-56c2-4069-a4e3-02e643bc6a0a" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/SharebasedCompensationPlansStockOptionActivityDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#SharebasedCompensationPlansStockOptionActivityDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/SharebasedCompensationPlansStockOptionActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9241e147-3b59-4e95-be57-848f014ab490" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9f375786-7062-4298-8e1d-5ded9c95d770" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9241e147-3b59-4e95-be57-848f014ab490" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9f375786-7062-4298-8e1d-5ded9c95d770" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5de9dc40-db0d-4b71-8334-b834eb219844" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9f375786-7062-4298-8e1d-5ded9c95d770" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5de9dc40-db0d-4b71-8334-b834eb219844" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_07af0b50-0053-4d27-b42c-b0f792f3334f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9f375786-7062-4298-8e1d-5ded9c95d770" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_07af0b50-0053-4d27-b42c-b0f792f3334f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_8103e384-7dfb-41e1-bf62-270b60a22c3f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9f375786-7062-4298-8e1d-5ded9c95d770" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_8103e384-7dfb-41e1-bf62-270b60a22c3f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_c1d79fe0-1ba3-4705-85aa-115abc932f38" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_9f375786-7062-4298-8e1d-5ded9c95d770" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_c1d79fe0-1ba3-4705-85aa-115abc932f38" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_6e1c54f2-9304-4fa1-bd38-ceac8ec5eae3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_e7126b77-f371-46d2-a64d-4e6bb347dbcc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9241e147-3b59-4e95-be57-848f014ab490" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_e7126b77-f371-46d2-a64d-4e6bb347dbcc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_14fe90f0-1de5-4423-9ea1-cf47720eee09" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9241e147-3b59-4e95-be57-848f014ab490" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_14fe90f0-1de5-4423-9ea1-cf47720eee09" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_70050312-fac9-4f3f-8dc2-97dfaaab6dbd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_14fe90f0-1de5-4423-9ea1-cf47720eee09" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_70050312-fac9-4f3f-8dc2-97dfaaab6dbd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_cee6d106-77ea-42fa-9cc0-7e3d5a4dd3a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_14fe90f0-1de5-4423-9ea1-cf47720eee09" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_cee6d106-77ea-42fa-9cc0-7e3d5a4dd3a5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_2d92b453-d7e2-4dba-939c-ecb8b13d8194" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_14fe90f0-1de5-4423-9ea1-cf47720eee09" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_2d92b453-d7e2-4dba-939c-ecb8b13d8194" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_e0a8db5e-a1a8-4568-a939-2117391da773" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_14fe90f0-1de5-4423-9ea1-cf47720eee09" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_e0a8db5e-a1a8-4568-a939-2117391da773" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_b66c324d-a017-420d-a8f3-7ea4aaa52319" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_f98303ba-ce1c-4c35-be36-08c666a2b777" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9241e147-3b59-4e95-be57-848f014ab490" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_f98303ba-ce1c-4c35-be36-08c666a2b777" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_6266570e-4316-4358-af47-a46d38ba6aca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9241e147-3b59-4e95-be57-848f014ab490" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_6266570e-4316-4358-af47-a46d38ba6aca" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_934847f8-a54d-4b55-8592-ca1144c00682" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_6266570e-4316-4358-af47-a46d38ba6aca" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_934847f8-a54d-4b55-8592-ca1144c00682" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_7a2d8d41-3cd0-4bbe-8a2d-4bb357c4793b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_6266570e-4316-4358-af47-a46d38ba6aca" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_7a2d8d41-3cd0-4bbe-8a2d-4bb357c4793b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_8625a86f-b15c-462a-bcce-9ee1e380c71c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_6266570e-4316-4358-af47-a46d38ba6aca" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_8625a86f-b15c-462a-bcce-9ee1e380c71c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_8024c72a-7042-46d8-9523-6b15e084ded0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_6266570e-4316-4358-af47-a46d38ba6aca" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_8024c72a-7042-46d8-9523-6b15e084ded0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_071dba25-31ab-41e0-b631-249034da009f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_9241e147-3b59-4e95-be57-848f014ab490" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_071dba25-31ab-41e0-b631-249034da009f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_95ab969a-1d2b-47dc-9126-b590f36e14e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_071dba25-31ab-41e0-b631-249034da009f" xlink:to="loc_us-gaap_PlanNameAxis_95ab969a-1d2b-47dc-9126-b590f36e14e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_95ab969a-1d2b-47dc-9126-b590f36e14e9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_95ab969a-1d2b-47dc-9126-b590f36e14e9" xlink:to="loc_us-gaap_PlanNameDomain_95ab969a-1d2b-47dc-9126-b590f36e14e9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_da605225-cd02-46cf-8e68-d8dad40de9d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_95ab969a-1d2b-47dc-9126-b590f36e14e9" xlink:to="loc_us-gaap_PlanNameDomain_da605225-cd02-46cf-8e68-d8dad40de9d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_A2019PlanMember_3f5e13d6-f578-4622-a5c8-9f9c2de61284" xlink:href="wdq-20230731.xsd#wdq_A2019PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_da605225-cd02-46cf-8e68-d8dad40de9d4" xlink:to="loc_wdq_A2019PlanMember_3f5e13d6-f578-4622-a5c8-9f9c2de61284" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/SharebasedCompensationPlansRSUActivityDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#SharebasedCompensationPlansRSUActivityDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/SharebasedCompensationPlansRSUActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6772e713-5f9f-404d-93b3-f7dce1b5b940" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4a78bd62-33b7-4f00-8fa2-795028d1cf9a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6772e713-5f9f-404d-93b3-f7dce1b5b940" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4a78bd62-33b7-4f00-8fa2-795028d1cf9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_7a6ca477-f8fb-48a6-8745-0c732573bc83" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4a78bd62-33b7-4f00-8fa2-795028d1cf9a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_7a6ca477-f8fb-48a6-8745-0c732573bc83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_6a7e654a-e803-43f7-9ae8-8072c2ff829e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4a78bd62-33b7-4f00-8fa2-795028d1cf9a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_6a7e654a-e803-43f7-9ae8-8072c2ff829e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_9f9f9df5-b4eb-4e8c-ade0-3c86b7c621c9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4a78bd62-33b7-4f00-8fa2-795028d1cf9a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_9f9f9df5-b4eb-4e8c-ade0-3c86b7c621c9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_f08e0b78-b49e-4786-8791-64a139066907" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_4a78bd62-33b7-4f00-8fa2-795028d1cf9a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_f08e0b78-b49e-4786-8791-64a139066907" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8fca59ba-1fdd-454b-85de-1f7f6170c19f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_8f0b8868-4e98-461b-9e96-2fb62a104c32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6772e713-5f9f-404d-93b3-f7dce1b5b940" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_8f0b8868-4e98-461b-9e96-2fb62a104c32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_9d5fabc2-4ae1-42cf-b4e5-d56ff07ee033" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_8f0b8868-4e98-461b-9e96-2fb62a104c32" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_9d5fabc2-4ae1-42cf-b4e5-d56ff07ee033" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3c39a1a8-db8c-47c3-9183-a1a821a50d56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_8f0b8868-4e98-461b-9e96-2fb62a104c32" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3c39a1a8-db8c-47c3-9183-a1a821a50d56" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_ad9acd33-f714-4d3f-a795-483fce454a68" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_8f0b8868-4e98-461b-9e96-2fb62a104c32" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_ad9acd33-f714-4d3f-a795-483fce454a68" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b459eead-d057-4661-80e4-f755e804e986" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_8f0b8868-4e98-461b-9e96-2fb62a104c32" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b459eead-d057-4661-80e4-f755e804e986" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_fa64ebea-00e4-4214-bf01-c1f557a3087b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_001ab093-173b-4d34-ad56-51683c064be8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6772e713-5f9f-404d-93b3-f7dce1b5b940" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_001ab093-173b-4d34-ad56-51683c064be8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_f57476c4-0eaa-4df8-b598-156a7b16b95d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_001ab093-173b-4d34-ad56-51683c064be8" xlink:to="loc_us-gaap_AwardTypeAxis_f57476c4-0eaa-4df8-b598-156a7b16b95d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_f57476c4-0eaa-4df8-b598-156a7b16b95d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_f57476c4-0eaa-4df8-b598-156a7b16b95d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_f57476c4-0eaa-4df8-b598-156a7b16b95d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_661aa904-5533-4c2d-877b-fcce85fc64aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_f57476c4-0eaa-4df8-b598-156a7b16b95d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_661aa904-5533-4c2d-877b-fcce85fc64aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_f839f797-eaa7-4865-b175-19384d29e573" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_661aa904-5533-4c2d-877b-fcce85fc64aa" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_f839f797-eaa7-4865-b175-19384d29e573" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/SharebasedCompensationPlansClassificationofSharebasedCompensationExpenseDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#SharebasedCompensationPlansClassificationofSharebasedCompensationExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/SharebasedCompensationPlansClassificationofSharebasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bea9ba65-3083-44af-ac29-d6cb55a038f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_d8298786-91f1-4039-ba9e-4e37b1fcb25d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bea9ba65-3083-44af-ac29-d6cb55a038f6" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_d8298786-91f1-4039-ba9e-4e37b1fcb25d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4710770f-cf1b-4bfe-9df2-75681e1f7323" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_bea9ba65-3083-44af-ac29-d6cb55a038f6" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4710770f-cf1b-4bfe-9df2-75681e1f7323" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_c1cce2b7-3117-4e55-adac-90f82d29e0a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_4710770f-cf1b-4bfe-9df2-75681e1f7323" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_c1cce2b7-3117-4e55-adac-90f82d29e0a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_c1cce2b7-3117-4e55-adac-90f82d29e0a3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_c1cce2b7-3117-4e55-adac-90f82d29e0a3" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_c1cce2b7-3117-4e55-adac-90f82d29e0a3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_4f2541c2-9a03-46c1-b314-dd1535dac220" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_c1cce2b7-3117-4e55-adac-90f82d29e0a3" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_4f2541c2-9a03-46c1-b314-dd1535dac220" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_TechnologyExpenseMember_f3828e6f-6f1e-4d1b-8b6a-2cb5576675f1" xlink:href="wdq-20230731.xsd#wdq_TechnologyExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_4f2541c2-9a03-46c1-b314-dd1535dac220" xlink:to="loc_wdq_TechnologyExpenseMember_f3828e6f-6f1e-4d1b-8b6a-2cb5576675f1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_MarketingExpenseMember_e65de135-76e2-4fdc-a7e2-9875aeb36ffd" xlink:href="wdq-20230731.xsd#wdq_MarketingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_4f2541c2-9a03-46c1-b314-dd1535dac220" xlink:to="loc_wdq_MarketingExpenseMember_e65de135-76e2-4fdc-a7e2-9875aeb36ffd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_0314be7e-2b37-4ceb-90fb-e7fbb1cbe397" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_4f2541c2-9a03-46c1-b314-dd1535dac220" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_0314be7e-2b37-4ceb-90fb-e7fbb1cbe397" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/NetLossperShareAttributabletoCommonStockholdersScheduleofAntidilutiveSecuritiesDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#NetLossperShareAttributabletoCommonStockholdersScheduleofAntidilutiveSecuritiesDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/NetLossperShareAttributabletoCommonStockholdersScheduleofAntidilutiveSecuritiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_e212e357-1dd8-4e8a-9856-6f38f799fe9c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_e7552400-e704-4e94-9136-ac9fe134b354" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_e212e357-1dd8-4e8a-9856-6f38f799fe9c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_e7552400-e704-4e94-9136-ac9fe134b354" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_a487abda-df57-4409-8c43-399767c48f25" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_e212e357-1dd8-4e8a-9856-6f38f799fe9c" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_a487abda-df57-4409-8c43-399767c48f25" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_285ece15-bda5-417e-af3d-d7f38cc12460" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_a487abda-df57-4409-8c43-399767c48f25" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_285ece15-bda5-417e-af3d-d7f38cc12460" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_285ece15-bda5-417e-af3d-d7f38cc12460_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_285ece15-bda5-417e-af3d-d7f38cc12460" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_285ece15-bda5-417e-af3d-d7f38cc12460_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fef0484d-8799-486f-b859-427a04cf15f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_285ece15-bda5-417e-af3d-d7f38cc12460" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fef0484d-8799-486f-b859-427a04cf15f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_3452522d-230c-4d1e-a405-32f74b902eec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fef0484d-8799-486f-b859-427a04cf15f9" xlink:to="loc_us-gaap_EmployeeStockOptionMember_3452522d-230c-4d1e-a405-32f74b902eec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_CommonStockWarrantMember_ae1134dc-b60f-4c4c-90b5-72041d2cc801" xlink:href="wdq-20230731.xsd#wdq_CommonStockWarrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fef0484d-8799-486f-b859-427a04cf15f9" xlink:to="loc_wdq_CommonStockWarrantMember_ae1134dc-b60f-4c4c-90b5-72041d2cc801" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_97a03450-5a87-49ff-9490-e72ad9a45c8f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fef0484d-8799-486f-b859-427a04cf15f9" xlink:to="loc_us-gaap_RestrictedStockMember_97a03450-5a87-49ff-9490-e72ad9a45c8f" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.renttherunway.com/role/CommitmentandContingenciesDetails" xlink:type="simple" xlink:href="wdq-20230731.xsd#CommitmentandContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.renttherunway.com/role/CommitmentandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_5ac277ac-2921-4d87-a5fd-c45cdaae7314" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_78db040f-2028-4c76-aa74-ddda55a913ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5ac277ac-2921-4d87-a5fd-c45cdaae7314" xlink:to="loc_us-gaap_RestrictedCash_78db040f-2028-4c76-aa74-ddda55a913ab" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_e23e4928-ede8-4a06-a21d-3d67a9fe02c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_5ac277ac-2921-4d87-a5fd-c45cdaae7314" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_e23e4928-ede8-4a06-a21d-3d67a9fe02c8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_4d92b222-abb3-4b7d-befb-ee53e481476d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_e23e4928-ede8-4a06-a21d-3d67a9fe02c8" xlink:to="loc_us-gaap_CreditFacilityAxis_4d92b222-abb3-4b7d-befb-ee53e481476d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_4d92b222-abb3-4b7d-befb-ee53e481476d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_4d92b222-abb3-4b7d-befb-ee53e481476d" xlink:to="loc_us-gaap_CreditFacilityDomain_4d92b222-abb3-4b7d-befb-ee53e481476d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_9a547aa2-0fac-4409-9b64-181b9e2256fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_4d92b222-abb3-4b7d-befb-ee53e481476d" xlink:to="loc_us-gaap_CreditFacilityDomain_9a547aa2-0fac-4409-9b64-181b9e2256fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_CashCollateralizedStandbyLettersOfCreditMember_736e9cc5-48c7-4dd1-94ec-4a14d65739ed" xlink:href="wdq-20230731.xsd#wdq_CashCollateralizedStandbyLettersOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_9a547aa2-0fac-4409-9b64-181b9e2256fb" xlink:to="loc_wdq_CashCollateralizedStandbyLettersOfCreditMember_736e9cc5-48c7-4dd1-94ec-4a14d65739ed" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#AwardTypeOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#IndividualsOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#ecd_AllIndividualsMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_AndrewRauMember_c2b428f9-fa29-4fe3-886b-87947409be15" xlink:href="wdq-20230731.xsd#wdq_AndrewRauMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_wdq_AndrewRauMember_c2b428f9-fa29-4fe3-886b-87947409be15" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_wdq_SiddharthThackerMember_831cf86a-c873-44f4-8e78-4fd49040be96" xlink:href="wdq-20230731.xsd#wdq_SiddharthThackerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_wdq_SiddharthThackerMember_831cf86a-c873-44f4-8e78-4fd49040be96" xlink:type="arc" order="3"/>
  </link:definitionLink>
</link:linkbase>
