co·​op·​er·​a·​tion | \ (ˌ)kō-ˌä-pə-ˈrā-shən How to pronounce cooperation (audio) \

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 How to pronounce cooperation (audio) \ 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 Pallets of personal protective equipment will be headed to India to aid the country’s COVID-19 crisis through the cooperation of a Naperville hospital and the Indian community. Suzanne Baker,, "Edward Hospital donating PPE to Naperville-based group to send to India in COVID-19 battle," 8 May 2021 Rather, the borders of tribal nations, repeatedly hemmed in by duplicitous colonizing powers, now have the ability to grow, depending on the limited cooperation of American courts and governments. Nick Martin, The New Republic, "Biden’s Conservation Plan Is a Historic Moment for America’s Indigenous People," 7 May 2021 And what accelerated through the process was the cooperation of the various agencies involved, whether on the intelligence side or on the military side. CBS News, "9/11 Museum executive Cliff Chanin on 10th anniversary of bin Laden exhibit - "Intelligence Matters"," 5 May 2021 Braxton becomes the sixth prisoner set free through the cooperation of defense attorneys and the Sentencing Review Unit of the city prosecutor’s office. Washington Post, "Prosecutors, judge decide it’s time to set inmate free after nearly 40 years in prison," 3 May 2021 The publisher, Rufus, made the book with the full cooperation of the band. Kory Grow, Rolling Stone, "Ronnie James Dio’s Black Sabbath Years to Serve as Focus of New Book," 26 Apr. 2021 But others describe the cooperation of Minneapolis police as a distancing from Chauvin's actions, rather than a fundamental effort at reform. Zoe Christen Jones, Tyler Kendall, CBS News, "What Derek Chauvin's guilty verdict means for the future of policing," 24 Apr. 2021 The specifics of the arrest, including a use of force investigation, are being looked at by the Civilian Office of Police Accountability with the cooperation of the Chicago Police Department. Mike Brest, Washington Examiner, "Police shoot suspect in murder of 7-year-old girl during attempted carjacking," 23 Apr. 2021 Edward Burke, including the cooperation of former Ald. Jason Meisner,, "Federal prosecutors allege Ald. Ed Burke made anti-Semitic remark, detail ex-Ald. Solis cooperation in new court filing," 21 Apr. 2021

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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Time Traveler for cooperation

Time Traveler

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

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Statistics for cooperation

Last Updated

13 May 2021

Cite this Entry

“Cooperation.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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More Definitions for cooperation



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 How to pronounce cooperation (audio) \

Kids Definition of cooperation

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

Comments on cooperation

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