cooperation

noun

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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Rivera testified at Donna Adelson’s trial about his cooperation with investigators which got him a more lenient sentence. Lauren Del Valle, CNN Money, 30 Aug. 2025 Political cooperation across all eight Arctic states was suspended in 2022, although some scientific collaboration and virtual meetings are now happening, the council says. Ellie Cook, MSNBC Newsweek, 30 Aug. 2025 The idea was to boost China’s economic and trade partnerships in the process, with the BRI billed as a mutually beneficial vehicle for development, foreign direct investment, economic growth and cooperation. Holly Ellyatt, CNBC, 29 Aug. 2025 At the time, Bowyer was confident that his punishment would be significantly less severe, possibly only house arrest, given his cooperation with the government’s case against Resorts World. David Amsden, Rolling Stone, 29 Aug. 2025 See All Example Sentences for cooperation

Word History

Etymology

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

Browse Nearby Words

Cite this Entry

“Cooperation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cooperation. Accessed 9 Sep. 2025.

Kids Definition

cooperation

noun
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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