1
as in informant
a person who provides information about another's wrongdoing
who's the sorry rat fink that went squealing to the cops?
Synonyms & Similar Words
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2
as in bastard
a person whose behavior is offensive to others
regrets ever doing business with that rat fink, who cheated him out of gobs of money
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for rat fink
Noun
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Investigators are using tools ranging from electronic surveillance — which includes the internet — undercover operations and informants to monitor any potential threat of attack from terrorist groups Hezbollah, al Qaeda, and ISIS.—
CBS News,
CBS News,
28 Feb. 2026 -
The sergeant said the lieutenant who would typically receive informant money had not been given any in November or December.—
Justin Muszynski,
Hartford Courant,
27 Feb. 2026
Noun
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And so every regime invests in having student informers.—
Anne Applebaum,
The Atlantic,
23 Jan. 2026
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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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For more untouched shores, Frenchman's Cove in Portland is just as renowned for its natural feel as for the jerk chicken stands that set up shop nearby.—
Carley Rojas Avila,
Travel + Leisure,
23 Feb. 2026
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But the truth is that Robby being a jerk is one of the most fascinating threads of this show’s already exciting second season.—
Esther Zuckerman,
Vanity Fair,
20 Feb. 2026
Noun
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By crunching data from millions of monthly payroll records for workers in jobs with exposure to generative AI, the authors concluded that workers ages 22 to 25—the canaries—have seen about a 13 percent decline in employment since late 2022.—
Josh Tyrangiel,
The Atlantic,
10 Feb. 2026
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There are no canaries on the Canary Islands.—
Richard Lederer,
San Diego Union-Tribune,
31 Jan. 2026
Noun
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The dog was found tied to a carry-on-baggage sizer by the JetBlue ticket counter at Terminal 3 at Las Vegas’ Harry Reid International Airport earlier this month, according to the Las Vegas Metropolitan Police Department.—
Clara Harter,
Los Angeles Times,
24 Feb. 2026
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Well, the dog died, and now Lauren wants to take bereavement leave.—
Jeanne Phillips,
Mercury News,
24 Feb. 2026
Noun
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Once an unconscious stool pigeon, always an unconscious stool pigeon.—
Howie Carr,
Boston Herald,
12 Nov. 2025
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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
Noun
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Austrian director Adrian Goiginger’s film Four Minus Three, the true story of a professional clown struck by tragedy, has won the Europa Cinemas Label as best European film in the Panorama section of the Berlinale.—
Scott Roxborough,
HollywoodReporter,
21 Feb. 2026
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There will be a clown, face painting and balloon art for the kids.—
Elizabeth Marie Himchak,
San Diego Union-Tribune,
17 Feb. 2026
Noun
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And Schaeffer marveled at the gym-rat mentality Arenado brought to the baseball diamond.—
Patrick Saunders,
Denver Post,
25 Feb. 2026
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The introduction of rats, dogs, cats and stoats, as well as hunting by people and destruction of native forest habitats, drove species of the country’s flourishing flightless birds — the kakapo among them — to near or complete extinction.—
Charlotte Graham-McLay,
Los Angeles Times,
24 Feb. 2026
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Cite this Entry
“Rat fink.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rat%20fink. Accessed 2 Mar. 2026.
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