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 U.S. software company also said it would help train 1 million engineers and developers by 2030 in cooperation with Japanese companies.

From Barron's • Apr. 3, 2026

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

“This underscores how conflicting geopolitical interests in one theater of conflict may undermine cooperation in another,” said Anne Frühauf, an analyst at consulting firm Teneo.

From The Wall Street Journal • Apr. 1, 2026

"I do think that we should strengthen our cooperation on defence, security, energy, emissions and the economy," he replied.

From BBC • Apr. 1, 2026

On the other hand, Arkush writes, Chinese proverbs are striking in their belief that “hard work, shrewd planning and self-reliance or cooperation with a small group will in time bring recompense.”

From "Outliers" by Malcolm Gladwell

cooperation

Example Sentences

Related Words