- 1co-opt somebody (onto/into something) to make somebody a member of a group, committee, etc. by the agreement of all the other members She was co-opted onto the board.
- 2co-opt somebody (onto/into something) to include somebody in something, often when they do not want to be part of it Word Origin mid 17th cent.: from Latin cooptare, from co-
BrE BrE//ˌkəʊ ˈɒpt//; NAmE NAmE//ˌkoʊ ˈɑːpt//Verb Forms present simple I / you / we / they co-opt
BrE BrE//ˌkəʊ ˈɒpt//; NAmE NAmE//ˌkoʊ ˈɑːpt//he / she / it co-opts
BrE ; NAmEpast simple co-opted
BrE ; NAmEpast participle co-opted
BrE ; NAmE-ing form co-opting
BrE ; NAmE