cooperate

verb

co·​op·​er·​ate kō-ˈä-pə-ˌrāt How to pronounce cooperate (audio)
cooperated; cooperating; cooperates

intransitive verb

1
: to act or work with another or others : act together or in compliance
refused to cooperate with the police
2
: to associate with another or others for mutual benefit
nations cooperating to fight terrorism
cooperator noun

Examples of cooperate in a Sentence

It will be much easier if everyone cooperates. Several organizations cooperated in the relief efforts. The country agreed to cooperate with the other nations on the trade agreement. The mother asked the child to put on his pajamas, but the child refused to cooperate. Witnesses were willing to cooperate.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The charges were first dropped a few weeks into President Donald Trump’s second term in part because the case would impede Adams’ ability to do his job as mayor, including cooperating with Trump’s immigration crackdown, the Justice Department’s new acting deputy attorney general wrote. Gloria Pazmino, CNN Money, 3 Apr. 2025 Bove argued that the case had national security implications by restricting Adams’s ability to cooperate with the feds on immigration matters, interfered with the mayor’s ability to govern, and was improperly filed within nine months of the mayoral primary. Josephine Stratman, New York Daily News, 2 Apr. 2025 Weiss, who was fired in 2023 for failing to cooperate with a school investigation, entered a not guilty plea Monday. Paulina Dedaj, FOXNews.com, 1 Apr. 2025 Now, Qatari and Israeli air forces are training together, attending joint briefings, and cooperating in simulated missions. Josh Hammer, MSNBC Newsweek, 1 Apr. 2025 See All Example Sentences for cooperate

Word History

Etymology

Late Latin cooperatus, past participle of cooperari, from Latin co- + operari to work — more at operate

First Known Use

1582, in the meaning defined at sense 1

Time Traveler
The first known use of cooperate was in 1582

Browse Nearby Words

Cite this Entry

“Cooperate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cooperate. Accessed 6 Apr. 2025.

Kids Definition

cooperate

verb
co·​op·​er·​ate kō-ˈäp-(ə-)ˌrāt How to pronounce cooperate (audio)
cooperated; cooperating
: to act, work, or associate with others so as to get something done

More from Merriam-Webster on cooperate

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