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
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
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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To date, none of the criminal complaints filed in this case mention any anti-gay text messages, social media posts or comments made by the defendants, whose communications were being secretly monitored and taped by undercover informants and agents.—
John Wisely,
Freep.com,
10 Nov. 2025
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In 2020, the high court ruled that Muslim men who claimed their religious rights were violated for being placed on the government’s no-fly list after refusing to serve as FBI informants could sue the FBI agents for damages.—
Maureen Groppe,
USA Today,
10 Nov. 2025
Noun
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Frizer and Skeres were fraudsters, and the sinister Poley was an informer, crucial to the exposure of the Babington Plot.—
Anthony Lane,
New Yorker,
8 Sep. 2025
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Option 2: If one prisoner informs while the other stays silent, the informer will go free while the silent one receives the harshest sentence.—
Michael Ashley,
Forbes.com,
29 July 2025
Noun
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Meta’s recent mass layoffs on its AI team are a potential canary in the coal mine, signaling that AI companies might be realizing the boom is coming to an end.—
Nicholas Creel,
MSNBC Newsweek,
29 Oct. 2025
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But some of the interiors seem to belong to another house, like a cheap-looking finished basement with canary-yellow walls and a bathroom with, oddly, a urinal.—
Adriane Quinlan,
Curbed,
28 Oct. 2025
Noun
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However, there are numerous animal studies on mice and rats that show positive effects of intermittent fasting to improve insulin sensitivity and normalize blood glucose levels.—
Bryant Stamford,
Louisville Courier Journal,
6 Nov. 2025
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By day there are parades, rat control events, and grand juries to attend, but night is when the mayor comes alive, at crypto coin launch events, sweaty outer borough raves sponsored by a new credit card, and downtime at his pad in Fort Lee.—
James Folta,
Literary Hub,
6 Nov. 2025
Noun
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Dodgers pitcher Clayton Kershaw told reporters after the game about the decision to honor Vesia.—
Jackson Thompson,
FOXNews.com,
8 Nov. 2025
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Guardiola, speaking to reporters before City’s 4-1 victory over Dortmund, sounded like a manager who takes Arsenal deadly seriously.—
Oliver Kay,
New York Times,
8 Nov. 2025
Cite this Entry
“Stool pigeon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stool%20pigeon. Accessed 14 Nov. 2025.
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