Definition of cooperate in English:



  • 1 Act jointly; work toward the same end.

    ‘the leaders promised to cooperate in ending the civil war’
    • ‘This can only be achieved if we work together, co-operate and love each other.’
    • ‘The rules of the game are such that if both cooperate with each other, they both get a reward.’
    • ‘Participants will interact in teams to learn to co-operate with each other.’
    • ‘Lionesses cooperate in teaching the cubs how to go about the art of hunting.’
    • ‘It is important for us to cooperate with each other and make an effort to take a bold leap.’
    • ‘We have said that we will cooperate in these three areas of logistic support and use of airspace.’
    • ‘It consists of billions of Argentine ants living in millions of nests that cooperate with each other.’
    • ‘But what is most important is that everyone should cooperate in using water much less.’
    • ‘Jones said the two police forces have always co-operated, but have fine-tuned their collaboration in recent months.’
    • ‘There was also a lot of vague talk about cooperating more with allies and avoiding international isolation.’
    • ‘At that point the players are again in a good mood and cooperate with each other until the next mistake happens.’
    • ‘Companies should cooperate in creating an environment where human rights are understood and respected.’
    • ‘Thailand and Vietnam have agreed to cooperate in the publicity of their respective national events.’
    • ‘People with diverse resources and plans can cooperate in ways that leave them all better off.’
    • ‘All of us should cooperate in maintaining law and order and in promoting peace and brotherliness.’
    • ‘The most important way in which the present system makes people cooperate with each other is when it drives them to fight back against it.’
    • ‘He said residents had gone to a lot of trouble to improve the area and had all co-operated and worked together to keep the estate, and area, neat and tidy.’
    • ‘The idea is to cooperate in purchasing or importing raw materials, which could reduce their costs.’
    • ‘All the signs are today that one of the basic problems preventing people co-operating together for the common good is the breakdown of neighbourly society.’
    • ‘It was imperative that the community pulled together and co-operated in the future development of the area.’
    1. 1.1Assist someone or comply with their requests.
      ‘I was the villain for not cooperating with the FBI’
      • ‘But cooperating with the tribunal has been a key demand of European and U.S. aid donors.’
      • ‘But he is reportedly cooperating with authorities, and has not officially been charged with any crime in connection with the case.’
      • ‘But he recently quit cooperating with them and they asked for a longer sentence.’
      • ‘They say they are cooperating with authorities until this situation can be assessed.’
      • ‘It isn't the public's business so long as he's cooperating with the media.’
      • ‘The man was cooperating with detectives and was expected to appear in court on Wednesday.’
      • ‘One is that the police have said that he is fully cooperating with them, and the police have also said he's not a suspect.’
      • ‘I have instructed every member of my staff to fully cooperate in this investigation.’
      • ‘Then came the actions of our esteemed spy agency, that sees fit to harass people into cooperating with it.’
      • ‘She did not reply in words, but her eyes told David that she was not going to cooperate in any way if he kept asking her like that.’
      • ‘The district attorney said the boy in the latest case is cooperating with investigators and has no plans to sue.’
      • ‘We were cooperating with his lawyers but we weren't actually in that case.’
      • ‘Jefferson has not commented on that matter, except to say he is cooperating with the investigation.’
      • ‘Do you know whether or not he is at this point cooperating with his interrogators?’
      • ‘Sometimes, the guests were secretly filmed and reportedly blackmailed into cooperating with him.’
      • ‘The company has said it is cooperating with authorities.’
      • ‘The boxer may have been killed by gangsters because he was cooperating with a police investigation into a murder.’
      • ‘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.’
      • ‘One of the baggage handlers involved began cooperating with customs and drug agents.’
      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
      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
      View synonyms


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