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
The shift is notable in Florida, where DeSantis pushed for a state law last year requiring state and local law enforcement officials to cooperate with federal immigration enforcement efforts.
—
Ana Goñi-Lessan, Sun Sentinel, 16 Mar. 2026
Combine that with annual appearances from the country’s best music ensembles and this fest is a sure winner no matter who is on stage — at least when the weather cooperates.
—Ray Mark Rinaldi, Denver Post, 16 Mar. 2026
The college will cooperate with law enforcement and has no record of complaints or reports about his conduct at the school, Monaco said in an email to CBS News Philadelphia.
—Stephanie Ballesteros, CBS News, 16 Mar. 2026
The driver remained at the scene and was cooperating with investigators, police said.
—Timia Cobb
breaking News Reporter, Dallas Morning News, 15 Mar. 2026
See All Example Sentences for cooperate
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.
Ana Goñi-Lessan, Sun Sentinel, 16 Mar. 2026
Combine that with annual appearances from the country’s best music ensembles and this fest is a sure winner no matter who is on stage — at least when the weather cooperates.
—Ray Mark Rinaldi, Denver Post, 16 Mar. 2026
The college will cooperate with law enforcement and has no record of complaints or reports about his conduct at the school, Monaco said in an email to CBS News Philadelphia.
—Stephanie Ballesteros, CBS News, 16 Mar. 2026
The driver remained at the scene and was cooperating with investigators, police said.
—Timia Cobb
breaking News Reporter, Dallas Morning News, 15 Mar. 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 17 Mar. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
