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.

In an interview with the BBC's Political Thinking podcast, Lord Hermer said the Labour government had been able to reduce the number of people making the dangerous journey through international cooperation and agreements.

From BBC • Jun. 5, 2026

"With the cooperation of hunters, police and firefighters, I believe we took all possible measures available to us" to catch it, Baba said.

From Barron's • Jun. 5, 2026

But many Arab regimes no longer question Israel’s legitimacy; instead, they seek the benefits of technological and economic cooperation with Israel.

From The Wall Street Journal • Jun. 3, 2026

Their mother made Jerry her health proxy and Arnold the executor of her will, forcing in effect their cooperation.

From Los Angeles Times • Jun. 3, 2026

He assured Baby Kochamma of the full cooperation of the Kottayam Police.

From "The God of Small Things" by Arundhati Roy

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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