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
On the day of the killing, police said that Hawkins was cooperating with detectives’ investigation.
—
Emerson Clarridge, Fort Worth Star-Telegram, 8 May 2025
Spartan College Campus President Chris Becker said the school is cooperating with the investigation.
—Nathan Solis, Los Angeles Times, 8 May 2025
But Miami could offer those four specific picks only if the deal for an All-Star is verbally agreed to by draft night (and if Charlotte cooperates).
—Barry Jackson, Miami Herald, 8 May 2025
Editors’ Picks The case against Mr. Guzmán López in Chicago drew on the work of investigators from that city, Washington and San Diego, incorporating a vast trove of evidence from cooperating witnesses.
—Alan Feuer, New York Times, 7 May 2025
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.
Emerson Clarridge, Fort Worth Star-Telegram, 8 May 2025
Spartan College Campus President Chris Becker said the school is cooperating with the investigation.
—Nathan Solis, Los Angeles Times, 8 May 2025
But Miami could offer those four specific picks only if the deal for an All-Star is verbally agreed to by draft night (and if Charlotte cooperates).
—Barry Jackson, Miami Herald, 8 May 2025
Editors’ Picks The case against Mr. Guzmán López in Chicago drew on the work of investigators from that city, Washington and San Diego, incorporating a vast trove of evidence from cooperating witnesses.
—Alan Feuer, New York Times, 7 May 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 12 May. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share