cooperate
verb (used without object)
to work or act together or jointly for a common purpose or benefit.
cooperated
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past participleof cooperate.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
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past tense formof cooperate.past tense
Used to describe completed actions or previous habitual actions.
cooperateverb (used without object)to work or act together or jointly for a common purpose or benefit.
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.
Minnesota officials said Chipotle has fully cooperated with the investigation and they are no longer concerned about continued exposure.
From Barron's ● Aug. 5, 2026
Instead, the residents of Mohenjo-daro may have cooperated to give households broad access to the resources needed for a comfortable standard of living.
From Science Daily ● Jul. 30, 2026
The driver of the sedan remained at the scene of the crash and cooperated with authorities.
From Los Angeles Times ● Jul. 29, 2026
Coupang denies the accusation, saying it had submitted everything that was requested and had fully cooperated with Comwel's investigation.
From BBC ● Jul. 24, 2026
And the horse was very happy and cooperated as much as he could.
From "A Tree Grows in Brooklyn" by Betty Smith
