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.

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 the final communique of the G7 ministers and central bank governors reaffirmed "our commitment to multilateral cooperation in addressing risks to the global economy".

From Barron's • May 19, 2026

And pretrial and posttrial diversion programs — where someone undergoes treatment in lieu of incarceration — would also need the cooperation of the court system, which the mayor does not control.

From Los Angeles Times • 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

The rock-passing accompaniment reflects the idea of a tight-knit community and cooperation, for if even one child fails to pass their rock on the beat to the next child, the entire song cannot continue.

From "Music and the Child" by Natalie Sarrazin

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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