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
Synonyms
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 flight crew was extremely experienced and the aircraft was well-maintained, Shai Gold, a spokesperson for the flight operator Jet Rescue Air Ambulance told CNN on Saturday, adding the company was cooperating with authorities.
—
Lauren Mascarenhas, Jessie Yeung and Danny Freeman, CNN, 2 Feb. 2025
Listen to this article To win transportation funding under the new Donald Trump administration, the MTA will have to cooperate with Immigrations and Customs Enforcement, can’t enforce mask or vaccine requirements — and had better hope New Yorkers start tying the knot and making babies.
—Evan Simko-Bednarski, New York Daily News, 1 Feb. 2025
That legislation, passed in 1980, acknowledges the unique management challenges of Alaska’s vast tracts of public lands and requires federal agencies to cooperate with state managers.
—Natalie Krebs, Outdoor Life, 31 Jan. 2025
Perhaps more importantly, Michel refused to cooperate.
—Gary Baum, The Hollywood Reporter, 30 Jan. 2025
See all Example Sentences for cooperate 
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Lauren Mascarenhas, Jessie Yeung and Danny Freeman, CNN, 2 Feb. 2025
Listen to this article To win transportation funding under the new Donald Trump administration, the MTA will have to cooperate with Immigrations and Customs Enforcement, can’t enforce mask or vaccine requirements — and had better hope New Yorkers start tying the knot and making babies.
—Evan Simko-Bednarski, New York Daily News, 1 Feb. 2025
That legislation, passed in 1980, acknowledges the unique management challenges of Alaska’s vast tracts of public lands and requires federal agencies to cooperate with state managers.
—Natalie Krebs, Outdoor Life, 31 Jan. 2025
Perhaps more importantly, Michel refused to cooperate.
—Gary Baum, The Hollywood Reporter, 30 Jan. 2025
See all Example Sentences for cooperate
Dictionary Entries Near cooperate
Cite this Entry
“Cooperate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cooperate. Accessed 6 Feb. 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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