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90s Slang You Should Know


or co-operation

[koh-op-uh-rey-shuh n] /koʊˌɒp əˈreɪ ʃən/
an act or instance of working or acting together for a common purpose or benefit; joint action.
more or less active assistance from a person, organization, etc.:
We sought the cooperation of various civic leaders.
willingness to cooperate:
to indicate cooperation.
Economics. the combination of persons for purposes of production, purchase, or distribution for their joint benefit:
producers' cooperation; consumers' cooperation.
Sociology. activity shared for mutual benefit.
Ecology. mutually beneficial interaction among organisms living in a limited area.
Origin of cooperation
1620-30; (< Middle French) < Late Latin cooperātiōn- (stem of cooperātiō). See cooperate, -ion
Related forms
cooperationist, co-operationist, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for cooperation
Contemporary Examples
Historical Examples
  • A method of coordination and cooperation of the Army and Navy and the principal aircraft builders is being perfected.

  • "After what you have told me, I shall ask your cooperation," said Annunciata smoothly.

    Long Live the King Mary Roberts Rinehart
  • Brotherliness, or comradeship, shows itself in unselfish service and cooperation with others.

  • The boys were in a glow of pride at this cooperation with Colonel Woodruff.

    The Brown Mouse Herbert Quick
  • The great school for training men in the little things that make up the bulk of character is team-work and cooperation in play.

    The Challenge of the Country George Walter Fiske
British Dictionary definitions for cooperation


joint operation or action
assistance or willingness to assist
(economics) the combination of consumers, workers, farmers, etc, in activities usually embracing production, distribution, or trade
(ecology) beneficial but inessential interaction between two species in a community
Derived Forms
cooperationist, co-operationist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for cooperation

late 15c., from Middle French coopération, or directly from Late Latin cooperationem (nominative cooperatio) "a working together," noun of action from past participle stem of cooperari "to work together," from com- "with" (see com-) + operari "to work" (see operation).

Online Etymology Dictionary, © 2010 Douglas Harper
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