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 cooperationist (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

The promises of cooperation were made at the seventh Tokyo International Conference for African Development (TICAD). Abdi Latif Dahir, Quartz Africa, "Japan has a plan to challenge China’s influence in Africa," 2 Sep. 2019 City officials have expressed frustration at the lack of cooperation in several cases, in part because of fears of retaliation from gangs and drug dealers., "After a string of child deaths by gunfire, St. Louis is offering $100,000 to solve the killings," 26 Aug. 2019 Reaching these goals will require lots of cooperation from federal and local entities, Morris-Harris said. María Méndez, Dallas News, "Dallas County and agencies are ramping up efforts to end the HIV epidemic by 2030. Can it be done?," 23 Aug. 2019 Last week’s hearing did not go well, with Altman growing frustrated by Zhang’s lack of cooperation. Terry Spencer,, "Mar-a-Lago intruder frustrates federal judge again," 20 Aug. 2019 In August 2018, the governments of Russia and the CAR signed a military cooperation agreement, which includes the supply of Russian weapons and military instructors to the CAR. Irina Gordienko, Time, "My Son's Father Was Killed While Reporting on a Private Russian Militia. I'm Still Waiting for Justice," 30 July 2019 The transfers coincide with talks on a possible nuclear cooperation agreement with Riyadh. NBC News, "The top 11 favors the Trump administration has done for Saudi Arabia," 25 July 2019 These entry gardens show how much can be accomplished in a small space, as well as the value of cooperation between the two neighbors. Author: Lauren Ellenbecker, Anchorage Daily News, "9 super gardens will be open to the public this weekend for the Anchorage Garden Club tour," 25 July 2019 Perry met with Israeli Energy Minister Yuval Steinitz on Monday to sign an energy cooperation agreement. Fox News, "Energy Secretary Rick Perry: US modernizing nuclear arsenal 'as we speak'," 23 July 2019

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

18 Sep 2019

Look-up Popularity

Time Traveler for cooperation

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

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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

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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).


miscellaneous remnants or debris

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