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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The defendants suggested one of the informants is either someone in current House Speaker Cameron Sexton's office – or is the speaker himself.—
Rosalind Bowling,
The Tennessean,
2 July 2025 -
Encouragingly, this discernment may translate to digital informants like computers too.—
Evan Orticio,
Scientific American,
2 June 2025
Noun
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The court can instruct the jury to view with caution the testimony of, say, an informer or a drug addict.—
Daniel Arkin,
NBC news,
10 June 2025
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Singh says that the Kashmir policy of India's Hindu nationalist government has alienated residents of Kashmir, and cost the Indian army its vital network of local informers.—
Omkar Khandekar,
NPR,
23 Apr. 2025
Noun
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Lisa and Jody are mad that Larsa was a jerk at Jody’s birthday party.—
Brian Moylan,
Vulture,
26 June 2025
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Based on my experience, labeling someone a contrarian is just an extremely polite way of calling out a person for being a jerk who’s obsessed with the sound of their own voice.—
Sherry Kuehl,
Kansas City Star,
25 June 2025
Noun
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Talent opting out of top jobs is a canary in the coal mine.—
Solange Charas,
Forbes.com,
27 May 2025
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Valor Christian’s former head football coach is the canary in the coal mine for Colorado high school sports.—
The Denver Post Editorial Board,
Denver Post,
15 May 2025
Noun
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Responding officers found the dog, and advised the owner to take the dog in.—
cleveland,
cleveland,
13 Sep. 2023
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Police brought in hundreds of law enforcement personnel with dogs, armored carriers, horses and helicopters that circled overhead.—
Maryclaire Dale, Marc Levy and Michael Rubinkam,
Anchorage Daily News,
13 Sep. 2023
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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An evil clown turned serial killer who terrorizes a fictional New York City borough during Halloween and Christmas will join a maniacal lineup of murderers, mutants and monsters during this year’s Halloween Horror Nights at Universal Studios Hollywood.—
Brady MacDonald,
Oc Register,
10 July 2025
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White-stripe nails Circus-stripe nails Just like a striped Big Top tent, this circus set is complete with stars and clowns.—
Dominic Cadogan,
Glamour,
9 July 2025
Noun
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Humans hate navigating a rat maze and having robots talk at them.—
Expert Panel®,
Forbes.com,
30 June 2025
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Also known as the Andalusian terrier, these dogs were bred to help protect vineyard wine cellars from potential rat infestations.—
Liz O'Connell,
MSNBC Newsweek,
28 June 2025
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Cite this Entry
“Rat fink.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rat%20fink. Accessed 13 Jul. 2025.
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