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English definition of “collaborate”

collaborate

verb [I]  /kəˈlæb·əˌreɪt/ us  

collaborate verb [I] (WORK WITH)

to work together or with someone else for a special purpose: Rodgers and Hammerstein collaborated on a number of successful musicals for the Broadway stage.

collaborate verb [I] (SUPPORT AN ENEMY)

to help an enemy of your own country, esp. one which has taken control of your country: The Soviet government accused them of collaborating with Nazis in World War II.
collaboration
noun [C/U]  /kəˌlæb·əˈreɪ·ʃən/ us  
collaborative
adjective  /kəˈlæb·əˌreɪ·t̬ɪv, -ˈlæb·ər·ə·t̬ɪv/ us  
Several speakers talked of the collaborative effort put forth by business leaders, politicians and community members.
(Definition of collaborate from the Cambridge Academic Content Dictionary © Cambridge University Press)
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