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.

To avoid any quarrels, I suggest timing any stock sale, with the beneficiaries’ cooperation, so that no one inadvertently misses out on a dividend payment.

From MarketWatch • May 21, 2026

But the final communique of the G7 ministers reaffirmed "our commitment to multilateral cooperation in addressing risks to the global economy".

From Barron's • 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

At a press conference in May, Putin said that the two sides were very close to taking "a highly significant step forward in oil and gas cooperation".

From BBC • May 18, 2026

This highly refined coordination and cooperation must be multiplied out across eight individuals of varying statures and physiques to make the most of each individual’s strengths.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

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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