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
Candidates staked out starkly different views on California’s shield laws and whether the state should cooperate with out‑of‑state prosecutions of doctors.
—
James Ward, USA Today, 15 May 2026
This comes after an apparent rift between local and federal authorities searching for Guthrie surfaced publicly last week when FBI Director Kash Patel accused Nanos’ department of not cooperating with the bureau during the case’s early days.
—Danielle Bacher, PEOPLE, 14 May 2026
Alex is fully cooperating with SLED in their investigations into his shooting, opioid use and the search to find the person or people responsible for the murder of his wife and son.
—Marlene Lenthang, ABC News, 14 May 2026
All seven state measures go beyond what's federally required, which is to cooperate with enforcement officers by providing personal information of recipients when asked.
—Andrew Jones, CBS News, 14 May 2026
See All Example Sentences for cooperate
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James Ward, USA Today, 15 May 2026
This comes after an apparent rift between local and federal authorities searching for Guthrie surfaced publicly last week when FBI Director Kash Patel accused Nanos’ department of not cooperating with the bureau during the case’s early days.
—Danielle Bacher, PEOPLE, 14 May 2026
Alex is fully cooperating with SLED in their investigations into his shooting, opioid use and the search to find the person or people responsible for the murder of his wife and son.
—Marlene Lenthang, ABC News, 14 May 2026
All seven state measures go beyond what's federally required, which is to cooperate with enforcement officers by providing personal information of recipients when asked.
—Andrew Jones, CBS News, 14 May 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 16 May. 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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