cooperate

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

Definition of cooperate

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

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Other Words from cooperate

cooperator \ kō-​ˈä-​pə-​ˌrā-​tər How to pronounce cooperator (audio) \ 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.
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Recent Examples on the Web

There are signs that Mr. Mueller’s investigation is drawing to a close: Many of the prosecutors on his team are returning to other Justice Department offices, and the sentencing of cooperating defendants is moving ahead. Aruna Viswanatha, WSJ, "Where the Mueller Report Stands—and What Could Happen Next," 22 Feb. 2019 If the weather won't cooperate, start on the shady side of the house. 2. Caroline Picard, Good Housekeeping, "The Best Way to Clean Windows, According to Our Cleaning Lab," 22 Feb. 2019 Of course, states can and do cooperate with one another, even on water issues. Dale Kasler, sacbee, "This one issue could make splitting California into three states virtually impossible," 25 June 2018 At a $10 million price tag, with all the things Green provides — leadership, cooperate knowledge, defense, the ability to make 3-pointers — that is a real steal. Steve Warns, San Antonio Express-News, "Writers’ roundtable: Who won the NBA Draft, what’s next with Kawhi Leonard," 23 June 2018 Investigators said no one, including the victims, would cooperate with the investigation. Hanna Krueger, NOLA.com, "Coroner IDs two men killed in Desire area shooting," 24 May 2018 Two years ago, the idea of cooperating with Trump on his notional desire for a massive infrastructure bill was the leading alternative concept to resistance. Matthew Yglesias, Vox, "The lesson of the midterms: resistance works," 7 Nov. 2018 In season 3, Matt is appalled to learn that Kingpin has been transferred from prison to a plush penthouse in exchange for cooperating with the FBI to bring down other criminal syndicates. Samantha Nelson, The Verge, "Most Read," 12 Oct. 2018 The White House has said dozens of sanctuary cities and counties in the country are breaking federal law for not fully cooperating with immigration authorities and has threatened to withhold public safety grants from them. Jaweed Kaleem, latimes.com, "'Freedom city'? Going beyond 'sanctuary,' Austin, Texas, vows to curtail arrests," 19 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cooperate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cooperate

1582, in the meaning defined at sense 1

History and Etymology for cooperate

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

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Last Updated

19 Mar 2019

Look-up Popularity

Time Traveler for cooperate

The first known use of cooperate was in 1582

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More Definitions for cooperate

cooperate

verb

English Language Learners Definition of cooperate

: to work together : to work with another person or group to do something
: to be helpful by doing what someone asks or tells you to do
: to act in a way that makes something possible or likely : to produce the right conditions for something to happen

cooperate

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

Kids Definition of cooperate

: to act or work together so as to get something done

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Comments on cooperate

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to reflect, repel, echo, or resound

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