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.

OpenAI said it intends to cooperate with Uthmeier’s investigation.

From The Wall Street Journal • Apr. 9, 2026

“The best thing I did was cooperate with Gibson Dunn and showed them that the texts were real.”

From Los Angeles Times • Apr. 8, 2026

"As a result, friends and allies will be ever less willing to cooperate with the United States," he wrote this week in The Atlantic.

From Barron's • Apr. 3, 2026

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

From Slate • Mar. 29, 2026

Sapiens can cooperate in extremely flexible ways with countless numbers of strangers.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari

Vocabulary lists containing cooperate

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Divergent

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Chapter 28: The Cold War Era

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