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
Relevance
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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The New York Times first reported on the informant inside the regime.—
Phil Helsel,
NBC news,
4 Jan. 2026 -
In a separate court filing submitted Monday, Cole’s attorneys also demanded broad discovery, including all statements attributed to him, investigative notes, information about the FBI’s use of informants to identify Cole as a suspect, and any exculpatory material.—
Kaelan Deese,
The Washington Examiner,
29 Dec. 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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For those with less-briny palates, a fine jerk chicken and a number of steak cuts are also available.—
Jesse Ashlock,
Condé Nast Traveler,
7 Jan. 2026
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Mike’s older sister, Nancy (Natalia Dyer), is our entry point to Hawkins High; a pretty striver, she’s recently been distracted from academics by a fling with popular jerk Steve Harrington (Joe Keery).—
Judy Berman,
Time,
26 Dec. 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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Choose a crate that is a comfortable size for your dog.—
Madeline Gunderson,
USA Today,
9 Nov. 2025
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The stretchy fabric allows for a full range of motion and remains in place through every downward dog and tree pose.—
Sophie Dodd,
Travel + Leisure,
9 Nov. 2025
Noun
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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
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They are barred from using certain language during debates including git, guttersnipe, swine and stool pigeon.—
Max Colchester,
WSJ,
3 Jan. 2019
Noun
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The sibling filmmaking duo spent most of the 2010s making a colossal two-part movie adaptation of King’s 1,138-page horror opus about a shapeshifting clown who terrorizes the small town of Derry, Maine.—
Christian Zilko,
IndieWire,
6 Nov. 2025
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The woman dressed as a spooky ringmaster while her husband played the part of a creepy clown.—
Jordan Greene,
PEOPLE,
4 Nov. 2025
Noun
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The animals play a vital role in the ecosystem as their diet consists of small rodents such as mice, rats and squirrels.—
Karen Garcia,
Los Angeles Times,
9 Jan. 2026
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Or, more accurately, in this case, rats.—
Dana O’Neil,
CNN Money,
9 Jan. 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 Jan. 2026.
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