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.
These letters talk excitedly of cooperation between Russian and British researchers into psychic phenomena, despite finding themselves on opposing sides of a Cold War. Literary Hub, 20 Oct. 2025 The only way forward is through compromise and cooperation — not falsehoods and finger-pointing. Dp Opinion, Denver Post, 19 Oct. 2025 Parallel institutions, such as schools and tax systems operating outside the formal repressive system, like during Slobodan Milosevic’s decade-long crackdown in Kosovo, have sustained non-cooperation and shaped a future vision. Shelley Inglis, The Conversation, 19 Oct. 2025 What To Know Larijani’s visit to Moscow featured discussions on economic and foreign policy cooperation at both regional and international levels. Amir Daftari, MSNBC Newsweek, 17 Oct. 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 21 Oct. 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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