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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Takeshi Ebisawa poses with a rocket launcher during a meeting with an informant and two undercover Danish police officers at a warehouse in Copenhagen, Denmark February 3, 2021, in a photograph from a Drug Enforcement Administration (DEA) criminal complaint.—
CBS News,
CBS News,
4 Mar. 2026 -
Jailhouse informant pointed to Puckett The events that led to his death began the evening of March 12, 1998 — not March 13, as originally presented at trial.—
Theresa Clift,
Sacbee.com,
4 Mar. 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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Without comment, the president shared multiple news articles covering his previous remarks slamming Maher as a jerk.—
Brendan Morrow,
USA Today,
8 Mar. 2026
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The Lion’s Tail that tastes like if a Jamaican jerk chicken and a Whiskey Sour couldn’t keep their hands off each other.—
Jeremy Repanich,
Robb Report,
7 Mar. 2026
Noun
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The proverbial canaries in coal mines will then cause a recession.—
Jim Cramer,
CNBC,
1 Mar. 2026
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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
Noun
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Identifying Coyotes As part of the same genus as domestic dogs, coyotes may resemble a dog from a distance.—
Arricca Elin SanSone,
Southern Living,
9 Mar. 2026
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And also, dogs would be used to flush out deer hiding in bushes or in steep terrain, to expose them to waiting sharpshooters.—
Steve Scauzillo,
Daily News,
9 Mar. 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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Noem was the public face of that disapproval, strutting forward with arrogance in the face of public censure, a veritable clown show of ineptitude.—
Los Angeles Times,
Los Angeles Times,
6 Mar. 2026
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How did clowns become a protest symbol?—
Janet W. Lee,
NPR,
5 Mar. 2026
Noun
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Largest rat surrender in years This was the largest rat surrender that the MSPCA has seen in more than five years, and 60% more than the total number of rats the organization adopted out in 2025.—
Neal Riley,
CBS News,
3 Mar. 2026
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Several new billboards on Interstate 84 in Hartford and West Hartford are sending a not-so-gentile reminder that rat poison kills more than just rats.—
Stephen Underwood,
Hartford Courant,
2 Mar. 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 11 Mar. 2026.
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