cooperate

[koh-op-uh-reyt] / koʊˈɒp əˌreɪt /

VERB

work with; assist

Synonyms

STRONGEST

aid assist collaborate comply with conspire contribute coordinate further help participate unite uphold

STRONG

abet advance agree band befriend coincide combine concert concur conduce espouse forward league partner second succor

WEAK

back up be in cahoots chip in coadjute give-and-take go along with join forces join in lend a hand pitch in play ball pool resources pull together share in show willingness side with stick together take part work side by side work together

Antonyms

STRONGEST

block check counteract disagree harm hinder hurt obstruct oppose protest stop

STRONG

differ halt impede reject

WEAK

delay disturb encumber prevent

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.

She urged “all tribespeople and villagers” to cooperate with the military and law enforcement.

From The Wall Street Journal • Apr. 5, 2026

Al-Nourji, who seemed eager to cooperate, led the family to the street corner where he met Ashaal.

From Los Angeles Times • Mar. 30, 2026

The countries that are party to the CMS are legally obliged to protect species listed as at risk of extinction, conserve and restore their habitats, prevent obstacles to migration and cooperate with other range states.

From Barron's • Mar. 29, 2026

The one who wondered whether her body would ever cooperate with her longing.

From Slate • Mar. 29, 2026

“And if we refuse to cooperate with your spectacle?”

From "The Mark of Athena" by Rick Riordan

Vocabulary lists containing cooperate

UCPS 6th Grade Roots List #1

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Divergent

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Chapter 28: The Cold War Era

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