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.

The European Commission proposed legislation for the deal in September 2025, which will remove tariffs on exported goods such as EU cheese and seeks to enhance cooperation on raw material supply chains.

From The Wall Street Journal • May 22, 2026

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

But the final communique of the G7 ministers reaffirmed "our commitment to multilateral cooperation in addressing risks to the global economy".

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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