co·​op·​er·​a·​tion (ˌ)kō-ˌä-pə-ˈrā-shən How to pronounce cooperation (audio)
: 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.
: association of persons for common benefit
established trade and economic cooperations

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.
Recent Examples on the Web Issues like noise and overcrowding are rare and can be effectively managed through existing local regulations and community cooperation. Melynda Rinker, Orlando Sentinel, 13 June 2024 This is an agreement on cooperation, and thus on how our nations will become stronger. Justin Gomez, ABC News, 13 June 2024 Public health authorities and scientists believe H5N1 is more widespread than those numbers would suggest, but efforts to clearly map the scale of the problem have been stymied by a lack of cooperation from dairy farmers. Megan Molteni, STAT, 12 June 2024 The tariffs were calculated based on the level of cooperation with European officials, who have spent the past few months investigating the level of support from the Chinese government for these companies. Melissa Eddy, New York Times, 12 June 2024 See all Example Sentences for cooperation 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cooperation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


see cooperate

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of cooperation was in the 15th century

Dictionary Entries Near cooperation

Cite this Entry

“Cooperation.” Dictionary, Merriam-Webster, Accessed 22 Jun. 2024.

Kids Definition


co·​op·​er·​a·​tion kō-ˌäp-ə-ˈrā-shən How to pronounce cooperation (audio)
: the act or process of cooperating

More from Merriam-Webster on cooperation

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