co·op·er·a·tion | \(ˌ)kō-ˌä-pə-ˈrā-shən \

Definition of cooperation 

1 : the actions of someone who is being helpful by doing what is wanted or asked for : common effort We are asking for your full cooperation.

2 : association of persons for common benefit established trade and economic cooperations

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Other Words from cooperation

cooperationist \(ˌ)kō-ˌä-pə-ˈrā-sh(ə-)nist \ noun

Examples of cooperation in a Sentence

The report cited a lack of cooperation between state and local officials. Thank you for your cooperation. We are asking for your full cooperation.
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Recent Examples on the Web

The Taste of Park Ridge also continues to be a great event due, in part, to the cooperation with the city, park district, Maine Township and the Chamber of Commerce. Chicago Tribune,, "Letter: A special month for Park Ridge," 11 July 2018 The group has also suffered from a lack of a strong theatrical arm, relying on cooperation with third-party distributors such as Universum and Senator Film in Germany. Scott Roxborough, The Hollywood Reporter, "Will Smith and Director Marc Forster Buy German Rights Group Telepool," 26 June 2018 There’s plenty at stake: control of immigration into Europe, cooperation with NATO and security in Syria and Iraq. James Hertling,, "Erdogan - the World’s Newest Strongman," 25 June 2018 And the Connected Conservation team believes that their IoT service can be used to help protect all of them through cooperation with governments and private organizations. Sean Gallagher, Ars Technica, "We know you hate the Internet of Things, but it’s saving megafauna from poachers," 6 June 2018 Court records later showed that the Cook County state's attorney's office under Richard M. Daley paid him tens of thousands of dollars for his cooperation. Maya Dukmasova, Chicago Reader, "Hundreds of Illinois prisoners languish behind bars waiting for Dorothy Brown to do her job," 24 May 2018 Russia's relationship with Iran is made necessary by their cooperation in Syria. Fred Weir, The Christian Science Monitor, "As Israel-Iran rivalry burns, Russia's Tehran ties may get singed," 4 May 2018 However, Burns says the program might have already been heading toward cooperation with private industry. Jay Bennett, Popular Mechanics, "Private Companies Took Over Rocket Launches. Can They Do the Same For Moon Landers?," 1 May 2018 Such confrontational ways of hunting require close cooperation between participants, the study said. Doyle Rice, ajc, "How to hunt like a Neanderthal," 26 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cooperation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cooperation

14th century, in the meaning defined at sense 1

History and Etymology for cooperation

see cooperate

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Statistics for cooperation

Last Updated

2 Oct 2018

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Time Traveler for cooperation

The first known use of cooperation was in the 14th century

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English Language Learners Definition of cooperation

: a situation in which people work together to do something

: the actions of someone who is being helpful by doing what is wanted or asked for


co·op·er·a·tion | \kō-ˌä-pə-ˈrā-shən \

Kids Definition of cooperation

: the act or process of working together to get something done

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Comments on cooperation

What made you want to look up cooperation? Please tell us where you read or heard it (including the quote, if possible).


evasion of direct action or statement

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