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ENGLISH · A WORD WITH POSSIBILITIES

cooperate.

To work or act together, especially for a common purpose or benefit.

9 characters3 syllables approx.English language

Meaning & usage

verb/kəʊˈɒp.ə.ɹeɪt/UK/kuˈɒp.ə.ɹeɪt/UK/kəˈwɔpəɹɛjt/British, Southern, Standard/koʊˈɑ.pəˌɹeɪt/Canada, US
  1. To work or act together, especially for a common purpose or benefit.

    intransitive
  2. To allow for mutual unobstructed action.

    intransitive
  3. To function in harmony, side by side.

    intransitive
  4. To engage in economic cooperation.

    intransitive
  5. To obtain the cooperation of (a potential witness); to turn (someone) into a cooperating witness.

    jargon · transitive
Where this word comes from

Originated 1595–1605 from Late Latin cooperātus, perfect passive participle of cooperor (“to work with”), see -ate (verb-forming suffix) for more. Equivalent to co- + operate. Displaced native Old English efnwyrċan.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.