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
Jackson eventually settled with the Chandlers in 1994 for about $20 million, after which the family stopped cooperating with the police and the case was closed with no charges. —
Jon Blistein, Rolling Stone, 23 Apr. 2026 The driver remained at the scene and is cooperating with the investigation, police said. —Jason Green, Mercury News, 23 Apr. 2026 During the timeframe, Provette De Faria sent pictures and videos to a cooperating witness showing firearms – pistols and rifles – and offering them for sale. —Lance Reynolds, Boston Herald, 23 Apr. 2026 The good news is that for the most part, the weather is going to cooperate. —Ron Smiley, CBS News, 23 Apr. 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.
Jon Blistein, Rolling Stone, 23 Apr. 2026 The driver remained at the scene and is cooperating with the investigation, police said. —Jason Green, Mercury News, 23 Apr. 2026 During the timeframe, Provette De Faria sent pictures and videos to a cooperating witness showing firearms – pistols and rifles – and offering them for sale. —Lance Reynolds, Boston Herald, 23 Apr. 2026 The good news is that for the most part, the weather is going to cooperate. —Ron Smiley, CBS News, 23 Apr. 2026 See All Example Sentences for cooperate
Cite this Entry
“Cooperate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/cooperate. Accessed 25 Apr. 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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