cooperation

[koh-op-uh-rey-shuhn] / koʊˌɒp əˈreɪ ʃən /

NOUN

mutual effort

Synonyms

STRONGEST

aid assistance collaboration participation partnership service unity

STRONG

alliance cahoots coaction coalition combination communion company concert concurrence confederacy confederation conspiracy federation fusion give-and-take harmony help helpfulness logrolling partisanship reciprocity responsiveness society symbiosis synergism synergy teamwork unanimity union

WEAK

coadjuvancy combined effort confunction doing business with esprit de corps playing ball teaming

Antonyms

STRONG

antagonism disagreement discord disunion disunity division divorce hostility management separation

WEAK

blockage delay encumbrance hindrance obstruction prevention stoppage

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

France's finance minister acknowledged Tuesday that two days of talks among leading global economies were "sometimes difficult", even as the group agreed a statement committing to multilateral cooperation in combatting growing economic risks.

From Barron's • May 19, 2026

And pretrial and posttrial diversion programs — where someone undergoes treatment in lieu of incarceration — would also need the cooperation of the court system, which the mayor does not control.

From Los Angeles Times • May 19, 2026

Despite the differences between the two, Lo says: "The Sino-Russian partnership remains resilient. Both sides recognise that it is too important to fail, especially given there are no viable alternatives to continuing cooperation."

From BBC • May 18, 2026

Together, we have the chance to draw on these values to create a future of greater prosperity, cooperation and happiness and peace for our children,” Trump added.

From Los Angeles Times • May 17, 2026

That was our friendship: equal parts irritation and cooperation.

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs

Vocabulary lists containing cooperation

Ecology - Interdependent Relationships in Ecosystems - Introductory

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Lyndon B. Johnson on "The Great Society" (1964)

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John F. Kennedy, Inaugural Address, January 20, 1961

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