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
Lopez has asserted that his prosecution was driven by false allegations made against him by a defendant who cooperated with prosecutors, Alejandro Burzaco.
—
Hernan Lopez, Variety, 20 Dec. 2025
The driver of the vehicle stopped after the crash and is cooperating with the investigation, according to police.
—Nick Lentz, CBS News, 20 Dec. 2025
The struggle for her pre-teen daughters to cooperate at home has turned into an worrisome issue at their mother’s workplace.
—Brian Anthony Hernandez, PEOPLE, 20 Dec. 2025
Each doorway includes both a full mesh panel and a waterproof outer door, allowing campers to enjoy al fresco lounging when the weather and local fauna cooperate, mesh the open doorway over to keep out swarming pests, or close them up completely to guard against threatening weather.
—New Atlas, 19 Dec. 2025
See All Example Sentences for cooperate
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Hernan Lopez, Variety, 20 Dec. 2025
The driver of the vehicle stopped after the crash and is cooperating with the investigation, according to police.
—Nick Lentz, CBS News, 20 Dec. 2025
The struggle for her pre-teen daughters to cooperate at home has turned into an worrisome issue at their mother’s workplace.
—Brian Anthony Hernandez, PEOPLE, 20 Dec. 2025
Each doorway includes both a full mesh panel and a waterproof outer door, allowing campers to enjoy al fresco lounging when the weather and local fauna cooperate, mesh the open doorway over to keep out swarming pests, or close them up completely to guard against threatening weather.
—New Atlas, 19 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 24 Dec. 2025.
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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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