as in informant
a person who provides information about another's wrongdoing
the FBI finally got a break when one of the mob boss's top henchmen turned stool pigeon
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Recent Examples of stool pigeon
Once an unconscious stool pigeon, always an unconscious stool pigeon.
—
Howie Carr, Boston Herald, 12 Nov. 2025
Russo turned stool pigeon within a month of his November 2017 arrest for selling a kilo of cocaine to an undercover agent.
—John Annese, New York Daily News, 26 Feb. 2025
They are barred from using certain language during debates including git, guttersnipe, swine and stool pigeon.
—Max Colchester, WSJ, 3 Jan. 2019
Howie Carr, Boston Herald, 12 Nov. 2025
Russo turned stool pigeon within a month of his November 2017 arrest for selling a kilo of cocaine to an undercover agent.
—John Annese, New York Daily News, 26 Feb. 2025
They are barred from using certain language during debates including git, guttersnipe, swine and stool pigeon.
—Max Colchester, WSJ, 3 Jan. 2019
Recent Examples of Synonyms for stool pigeon
Noun
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The lawsuit also alleges authorities relied on testimony from a jailhouse informant who received benefits in exchange for cooperating, while failing to disclose information that could have undermined his credibility.—
Stepheny Price,
FOXNews.com,
7 May 2026
-
The Justice Department accuses the group of fraud in connection with its payments to informants.—
Ella Lee,
The Hill,
6 May 2026
Noun
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And so every regime invests in having student informers.—
Anne Applebaum,
The Atlantic,
23 Jan. 2026
-
The whole family is deeply involved in the revolutionary movement: the oldest son disappears into Siberia, never to be seen or heard of again, while the youngest, eighteen, is jailed together with his father, and executed after his cell is exposed by an informer.—
Literary Hub,
Literary Hub,
22 Jan. 2026
Noun
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After Spirit Airlines ceased operations, in the middle of the night on May 2nd, a series of canary-yellow airplanes sat on the tarmac at Newark Airport, arranged neatly like children’s toys at day’s end.—
Doreen St. Félix,
New Yorker,
9 May 2026
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These living materials could also serve as canaries in the coal mine for water safety, glowing brighter or dimming in the presence of specific toxins.—
Mrigakshi Dixit,
Interesting Engineering,
7 May 2026
Noun
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The Angels went to bat against the rats, announcing that cleaning crews would get to work an hour after each game instead of waiting until the next morning.—
Steve Henson,
Los Angeles Times,
28 Apr. 2026
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The Los Angeles Angels have seemingly traded the rally monkey in for alley rats.—
Alejandro Avila OutKick,
FOXNews.com,
28 Apr. 2026
Noun
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Jonathan Dienst Jonathan Dienst is chief justice contributor for NBC News and chief investigative reporter for WNBC-TV in New York.—
Tom Winter,
NBC news,
7 May 2026
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Paris Barraza is a reporter covering Los Angeles and Southern California for the USA TODAY Network.—
Paris Barraza,
USA Today,
7 May 2026
Cite this Entry
“Stool pigeon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stool%20pigeon. Accessed 10 May. 2026.
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