repo Syllabification: (re·po)Pronunciation: /ˈrēˌpō/ North American informalDefinition of repo noun (plural repos) 1another term for repurchase agreement.[ 1960s: abbreviation] 2a car or other item that has been repossessed. verb (repo's, repo'ing, repo'd) [with object] repossess (a car or other item) when a buyer defaults on payments. [ 1970s: abbreviation]repo in other Oxford dictionaries Definition of repo in the British & World English dictionary