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 agreements focused on cooperation projects such as trade, student scholarships and aid donations. Jake Maxwell Watts, WSJ, "China’s Xi Woos Philippines as Rivalry With U.S. in Asia Deepens," 20 Nov. 2018 Some experts say Moon is preparing for the resumption of inter-Korean economic cooperation projects after diplomacy eventually yields results. Fox News, "South Korean president heads to North for summit with Kim," 18 Sep. 2018 The first Analytical Space satellite was launched in late May and is undergoing tests in cooperation with several unnamed companies interested in using the relay service. Hiawatha Bray,, "New England stakes its claim in New Space," 2 July 2018 The rule change was proposed by the Texas State Association of Fire Fighters, in cooperation with the Houston Professional Fire Fighters Association, which represents HFD's 4,000 members. Zach Despart, Houston Chronicle, "Amid probe of HFD, Texas fire commission adopts stricter rule on gear cleaning," 13 July 2018 Analysts said that cooperation also could be on the line if the relationship between the two countries continues on downward slide under Mexico's new administration. Rafael Carranza, azcentral, "Under new president, Mexico's cooperation on immigration and security could be at risk," 8 July 2018 If the attending surgeon was of the opposite gender as that of most other personnel in the OR, cooperation was more common. Orly Nadell Farber, STAT, "‘You, me, parking lot!’: Behind surgical curtain, researchers find hierarchies and gender dynamics driving conflict," 2 July 2018 Since the late 1970s, the University of Alaska Fairbanks' Geophysical Institute has provided this column free in cooperation with the UAF research community. Ned Rozell, Anchorage Daily News, "During long summer days in Alaska, Boreal owls perform by daylight," 30 June 2018 This year Energage expects to conduct about 50 workplace surveys in cooperation with media companies from coast to coast, from the publishers as large as the Washington Post to small regional papers like the Knoxville News-Sentinel in Tennessee. Roger Showley,, "Love your company? Nominate it as a top workplace!," 3 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

20 Mar 2019

Look-up Popularity

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 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).


to reflect, repel, echo, or resound

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