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.

JPMorgan has said Rana didn’t cooperate with the probe.

From The Wall Street Journal • May 6, 2026

It likely also needs interest-rate hikes and lower oil prices to cooperate, according to market analysts.

From MarketWatch • May 2, 2026

Did Zambada — one-time keeper of many cartel secrets — cooperate with U.S. authorities?

From Los Angeles Times • Apr. 30, 2026

Some police leaders feel that they are in an impossible position: Whether or not they cooperate with the agency, their relationships with their communities have been compromised.

From Slate • Apr. 27, 2026

Another hand up, forcing her limbs to cooperate, seeking a rhythm, but finding only an awkward syncopation that left her muscles trembling with every upward gain.

From "Six of Crows" by Leigh Bardugo

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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