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.
For instance, Rodriguez has actively cooperated with Washington to open up Venezuela's oil, electricity and mining sectors to private and foreign capital.
From Barron's ● Aug. 5, 2026
Chipotle has cooperated in the investigation, including providing records, removing suspected jalapeños from its restaurants and taking steps to prevent further transmission, Medus said.
From The Wall Street Journal ● Aug. 4, 2026
The court was told Whitemountain Quarries Ltd cooperated fully with the subsequent Health and Safety Authority investigation, had no previous convictions, and had not come to adverse attention since the incident.
From BBC ● Jul. 31, 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
Eventually six of them, including Peralta, cooperated with the group.
From "Class Matters" by The New York Times
