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English definition of “cooperate”

cooperate

verb [I] (UK also co-operate)     /kəʊˈɒp.ər.eɪt/ US  /koʊˈɑː.pə.reɪt/
B2 to act or work together for a particular purpose , or to be helpful by doing what someone asks you to do: I find it very hard to dress my two-year-old when she refuses to cooperate. The two companies have cooperated in joint ventures for the past several years . The Spanish authorities cooperated with the British police in find ing the terrorists .Helping and co-operating
(Definition of cooperate verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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