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.

China’s Ministry of Public Security on Friday called the case a “new achievement” in law-enforcement cooperation between the U.S. and China.

From The Wall Street Journal • Apr. 3, 2026

Days later, Bolivian police -- working in cooperation with US intelligence -- made the high-profile arrest of Sebastian Marset in the city of Santa Cruz.

From Barron's • Apr. 1, 2026

The prime minister told a news conference he would use a summit with the EU later this year to seek more cooperation with the bloc on the economy and security.

From BBC • Apr. 1, 2026

Justiano said that cooperation went beyond information sharing.

From Barron's • Apr. 1, 2026

Supreme Court precedent, that Hooks had charges against him dismissed in exchange for cooperation with authorities was information that the State was obligated to reveal to the defense.

From "Just Mercy" by Bryan Stevenson

cooperation

Example Sentences

Related Words