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Showing results for cooperation. Search instead for luftoperation.
Definitions

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

Justiano said that cooperation went beyond information sharing.

From Barron's • 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

Following a meeting with Japanese Prime Minister Sanae Takaichi in Tokyo Wednesday, Macron spoke of their cooperation in the face of the "current energy crisis".

From Barron's • Apr. 1, 2026

Jess observed that it was the contrast between slaving under a tyrant and voluntary cooperation that arose from determination and good fellowship.

From "Redwall" by Brian Jacques

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.