- 1[transitive, usually passive] affiliate somebody/something (with/to somebody/something) to link a group, a company, or an organization very closely with another larger one The hospital is affiliated with the local university. The group is not affiliated to any political party.
- 2 [transitive, intransitive] affiliate (yourself) (with somebody/something) to join, to be connected with, or to work for an organization The majority of people questioned affiliated themselves with a religious group. The physicians are affiliated with Doctors Without Borders.
NAmE//əˈfɪliˌeɪt//Verb Forms present simple I / you / we / they affiliate
he / she / it affiliates
past simple affiliated
-ing form affiliating