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English definition of “collaborate”

collaborate

verb [I] uk   /kəˈlæb.ə.reɪt/ us  

collaborate verb [I] (WORK WITH)

C1 to work with someone else for a special purpose: Two writers collaborated on the script for the film. A German company collaborated with a Swiss firm to develop the product. The British and Italian police collaborated in catching the terrorists.

collaborate verb [I] (SUPPORT AN ENEMY)

disapproving to work with an enemy who has taken control of your own country: Anyone who was suspected of collaborating with the occupying forces was arrested.
(Definition of collaborate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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