cooperator
Americannoun
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cooperators
plural
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a person or organization that cooperates with another or others in some action, such as a venture or project.
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a person or organization that practices economic cooperation or participates in a cooperative.
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(often pejorative) a person who cooperates or collaborates with a hostile agency or force.
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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.
See Examples For:
They’ve got one cooperator, but you can cross-examine the cooperator, who’s cooperating in hopes of a more lenient sentence.
From Slate ● Jan. 7, 2026
Using a rented minivan, Quintero and the cooperator conducted six “recon” missions in Franco’s neighborhood, Del Rio testified.
From Los Angeles Times ● Oct. 10, 2025
"He is not a viable cooperator for the Fulton County D.A.,"
From Salon ● Feb. 27, 2024
While Wang is the first cooperator to take the stand, jurors have so far heard from three other witnesses.
From Reuters ● Oct. 6, 2023
As a cooperator with a letter follow-up, the card or folder is effective, because it introduces variety into the series, sometimes furnishing just the touch or twist that wins the order.
From Business Correspondence by Anonymous
In his closing argument, defense attorney Brian Steel painted Hester, Jones and Grant as unreliable “snitches, cooperators, rats” seeking to secure a lighter sentence by implicating Banks.
From Los Angeles Times ● Sep. 12, 2026
Some models were designed to create a vortex, which, through its shear pattern, localized cooperators within a ring while pushing cheaters to the outer rim of the environment -- essentially localizing cooperation.
From Science Daily ● Feb. 6, 2024
Former FBI assistant director Frank Figliuzzi suggested that "there are multiple cooperators" in the documents case because the indictment references two people's conversations.
From Salon ● Jul. 28, 2023
Moira Penza, a former federal prosecutor, said that the best government cooperators accepted blame on the witness stand and that the “power differential” between Ms. Ellison and Mr. Bankman-Fried could make her a compelling voice.
From New York Times ● Jul. 20, 2023
He and the book were cooperators in the fraud, it seemed.
From The Masquerader by Katherine Cecil Thurston
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
