cooperate
verb
co·op·er·ate
kō-ˈä-pə-ˌrāt 
cooperated; cooperating; cooperates
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
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
Police said that the driver of the car, who was also not immediately identified as the investigation continued, remained at the scene to cooperate with their investigation.
—
Dean Fioresi, CBS News, 7 Dec. 2025
Whatley cited Cooper’s previous opposition to legislation requiring sheriffs to cooperate with Immigration and Customs Enforcement.
—Mary Ramsey
updated December 7, Charlotte Observer, 7 Dec. 2025
What To Know In 2024, Sensi met with a confidential source who was cooperating with law enforcement and presenting himself as a representative of CJNG, according to the indictment.
—Billal Rahman, MSNBC Newsweek, 6 Dec. 2025
The indictment against Menendez came after co-defendant Jose Uribe, who allegedly gifted Nadine a Mercedes convertible, accepted a plea deal and agreed to cooperate with prosecutors.
—Michael Dorgan, FOXNews.com, 5 Dec. 2025
See All Example Sentences for cooperate
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Dean Fioresi, CBS News, 7 Dec. 2025
Whatley cited Cooper’s previous opposition to legislation requiring sheriffs to cooperate with Immigration and Customs Enforcement.
—Mary Ramsey
updated December 7, Charlotte Observer, 7 Dec. 2025
What To Know In 2024, Sensi met with a confidential source who was cooperating with law enforcement and presenting himself as a representative of CJNG, according to the indictment.
—Billal Rahman, MSNBC Newsweek, 6 Dec. 2025
The indictment against Menendez came after co-defendant Jose Uribe, who allegedly gifted Nadine a Mercedes convertible, accepted a plea deal and agreed to cooperate with prosecutors.
—Michael Dorgan, FOXNews.com, 5 Dec. 2025
See All Example Sentences for cooperate
Cite this Entry
“Cooperate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cooperate. Accessed 8 Dec. 2025.
Copy CitationKids Definition
cooperate
verb
co·op·er·ate
kō-ˈäp-(ə-)ˌrāt
cooperated; cooperating
: to act, work, or associate with others so as to get something done
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