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 remained at the scene to cooperate with their investigation.
—
Dean Fioresi, CBS News, 13 Jan. 2026
Officials in the North Star State have continued to echo each other’s calls for immigration officials to cooperate with local law enforcement and leave – which has prompted biting rhetoric in return from federal officials.
—Danya Gainor, CNN Money, 12 Jan. 2026
The property owner called 911 to report the shooting, police said, and remained on scene to cooperate with the investigation.
—Elissa Jorgensen, Dallas Morning News, 12 Jan. 2026
And now, the FBI refuses to cooperate with the Minnesota Bureau of Criminal Apprehension on the grounds that the federal government is the supreme agency.
—Chicago Tribune, 12 Jan. 2026
See All Example Sentences for cooperate
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Dean Fioresi, CBS News, 13 Jan. 2026
Officials in the North Star State have continued to echo each other’s calls for immigration officials to cooperate with local law enforcement and leave – which has prompted biting rhetoric in return from federal officials.
—Danya Gainor, CNN Money, 12 Jan. 2026
The property owner called 911 to report the shooting, police said, and remained on scene to cooperate with the investigation.
—Elissa Jorgensen, Dallas Morning News, 12 Jan. 2026
And now, the FBI refuses to cooperate with the Minnesota Bureau of Criminal Apprehension on the grounds that the federal government is the supreme agency.
—Chicago Tribune, 12 Jan. 2026
See All Example Sentences for cooperate
Cite this Entry
“Cooperate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cooperate. Accessed 14 Jan. 2026.
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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