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cooperate

verbcommon in dialogue

  • United Kingdom//kəʊˈɒp.ə.ɹeɪt//
  • United Kingdom//kuˈɒp.ə.ɹeɪt//
  • United Kingdom//kəˈwɔpəɹɛjt//

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

verb

  1. 1

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

    In polling by the Pew Research Center in November 2008, fully half the respondents thought the two parties would cooperate more in the coming year, versus only 36 percent who thought the climate would grow more adversarial.

  2. 2

    To allow for mutual unobstructed action.

  3. 3

    To function in harmony, side by side.

  4. 4

    To engage in economic cooperation.

  5. 5

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

Etymology

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.

Forms

past tense
cooperated
past participle
cooperated
present participle
cooperating
third person singular
cooperates
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).