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

On Wednesday evening, Magyar is expected in Austria, where economic cooperation and migration policy will be key topics.

From Barron's • May 20, 2026

But with China set on narrowing the United States' lead in the strategic sector, until now little further cooperation has followed.

From Barron's • May 19, 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

Just as well, as the campaign to bring me up to domestic scratch was, without my knowledge or cooperation, ginning up in earnest.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly

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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