Definition of cooperate in English:

cooperate

Line breaks: co|oper|ate
Pronunciation: /kəʊˈɒpəreɪt
 
/
(also co-operate)

verb

[no object]
1Work jointly towards the same end: the leaders promised to cooperate in ending the civil war staff need to cooperate with each other
More example sentences
  • We have said that we will cooperate in these three areas of logistic support and use of airspace.
  • But what is most important is that everyone should cooperate in using water much less.
  • All of us should cooperate in maintaining law and order and in promoting peace and brotherliness.
1.1Assist someone or comply with their requests: his captor threatened to kill him if he didn’t cooperate
More example sentences
  • But he is reportedly cooperating with authorities, and has not officially been charged with any crime in connection with the case.
  • The bank is fully cooperating with the investigation, he said.
  • They're cooperating with police; they've gone in and they've done the right thing.
Synonyms
collaborate, work together, work side by side, act together, act jointly, pull together, band together, come together, get together, join forces, team up, unite, combine, merge, amalgamate, pool resources, club together, make common cause, form an alliance; coordinate with each other, liaise with each other; conspire, connive, collude, be in collusion, work hand in glove
informal gang up
rare coact
be of assistance, assist, help, lend a hand, be of service, give one's support, give one's backing, contribute, chip in, do one's bit, throw in one's lot; participate, take part, join in, get involved, go along
informal pitch in, play ball, tag along, get in on the act
British informal muck in, get stuck in

Origin

late 16th century: from ecclesiastical Latin cooperat- 'worked together', from the verb cooperari, from co- 'together' + operari 'to work'.

Derivatives

cooperant

noun
More example sentences
  • She was approached by this group for a cooperant.
  • The most recent reports from cooperants in the area describe the disaster as beyond comprehension.
  • On arrival in the field, cooperants receive a general orientation with country specific information.

cooperator

noun
More example sentences
  • The first step is to divide the civilian world into two, separating the trustworthy cooperators from the noncooperators, so we don't have to search every car, package, and pocket.
  • Not all humans are active cooperators with this conspiracy (though some are).
  • It is time for the two peoples to shift from competitors to cooperators.

Definition of cooperate in:

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Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something