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.

Similarly, deeper international cooperation between the major global actors is unlikely.

From MarketWatch • May 31, 2026

Van Leeuwen notes that understanding these patterns could improve scientists' understanding of cooperation, social learning, and emotional well-being in both humans and other animals.

From Science Daily • May 31, 2026

We agreed on the importance of cooperation and avoiding isolationism, recognising that public health threats do not respect borders and require coordinated regional and global action.

From BBC • May 29, 2026

Canadian Prime Minister Mark Carney stressed his country's importance to the US economy on Thursday, urging closer cooperation as talks on revising the North American free trade agreement face roadblocks.

From Barron's • May 28, 2026

“But is cooperation possible? What if Juno’s plan is flawed? Even goddesses can make mistakes.”

From "The Mark of Athena" by Rick Riordan

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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