- 1[intransitive] to work together with somebody in order to produce or achieve something Researchers around the world are collaborating to develop a new vaccine. collaborate (with somebody) (on something) We have collaborated on many projects over the years. collaborate (with somebody) (in something/in doing something) She agreed to collaborate with him in writing her biography.
- 2[intransitive] collaborate (with somebody) (disapproving) to help the enemy who has taken control of your country during a war He was accused of collaborating with the enemy. Word Origin late 19th cent.: from Latin collaborat-
BrE BrE//kəˈlæbəreɪt//; NAmE NAmE//kəˈlæbəreɪt//Verb Forms present simple I / you / we / they collaborate
BrE BrE//kəˈlæbəreɪt//; NAmE NAmE//kəˈlæbəreɪt//he / she / it collaborates
BrE BrE//kəˈlæbəreɪts//; NAmE NAmE//kəˈlæbəreɪts//past simple collaborated
BrE BrE//kəˈlæbəreɪtɪd//; NAmE NAmE//kəˈlæbəreɪtɪd//past participle collaborated
BrE BrE//kəˈlæbəreɪtɪd//; NAmE NAmE//kəˈlæbəreɪtɪd//-ing form collaborating
BrE BrE//kəˈlæbəreɪtɪŋ//; NAmE NAmE//kəˈlæbəreɪtɪŋ//