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Added 9 October 2026

cooperation

/kəʊˌɒp.əˈɹeɪ.ʃən/ noun

Latin root: cooperātiō First recorded: 1620 Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about cooperation at Wordnik → Where our words come from →

Joint operation or action.
their cooperation with us was essential for the success of our mission
The practice of cooperating.
economic cooperation

Origin

First attested in 1620–1630. Borrowed from French cooperation, from Late Latin cooperātiō. By surface analysis, co- + operation or cooperate + -ion.

From Wiktionary, via Kaikki.org (CC BY-SA)

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