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.

"We ask for your cooperation in creating a city where everyone can enjoy themselves comfortably."

From BBC • Jun. 1, 2026

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

From MarketWatch • May 31, 2026

"Understanding these patterns may reveal crucial insights for studying cooperation, social learning, and emotional well-being in both humans and other animals."

From Science Daily • May 31, 2026

The United States and Brazil signed an agreement in April to combat arms and drug trafficking, and Lula had acknowledged that Trump had asked him for greater cooperation.

From Barron's • May 29, 2026

Social cooperation is our key for survival and reproduction.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari

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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