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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Greylord was a watershed moment in its use of eavesdropping devices and a mole to obtain evidence instead of relying on wrongdoers to become government informants.—
Kori Rumore,
Chicago Tribune,
6 June 2026 -
The charges do not stem from the general practice of paying informants but from the Justice Department's allegations that the SPLC made these payments without disclosing the practice to donors and by defrauding banks.—
Sarah N. Lynch,
CBS News,
3 June 2026
Noun
-
One of State Security’s main goals, as well as a central source of its strength, is turning civilians into informers.—
Abraham Jiménez Enoa,
The Dial,
19 May 2026
-
And so every regime invests in having student informers.—
Anne Applebaum,
The Atlantic,
23 Jan. 2026
Noun
-
His profession is to be the screaming jerk on reality shows, and his house burns down.—
Mekishana Pierre,
Entertainment Weekly,
28 May 2026
-
These measurements enabled scientists to identify sudden changes linked to the Pacific reversal and a geomagnetic disturbance known as the 2017 geomagnetic jerk.—
Atharva Gosavi,
Interesting Engineering,
25 May 2026
Noun
-
By releasing changes incrementally (canary or feature flags) and tying them to real-time health metrics, teams can detect issues early and revert automatically.—
Expert Panel®,
Forbes.com,
26 May 2026
-
A little different from the regular radiant thanks to its rich canary tone, this three-stone jewelry piece absolutely makes a statement.—
Shelby Wax,
Vogue,
22 May 2026
Noun
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The dog paces to and fro, hackles bristling, snapping at the empty air, its head turning one way, then the other, as if aware of invisible foes in the valley around them.—
Maggie O’Farrell,
Literary Hub,
2 June 2026
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Stop here for suggestions on the best nearby dog-friendly parks for your pup, to pick up breakfast vouchers, and to grab a list of participating local businesses that offer discounts to Hotel Lucia guests.—
Condé Nast,
Condé Nast Traveler,
2 June 2026
Noun
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Once an unconscious stool pigeon, always an unconscious stool pigeon.—
Howie Carr,
Boston Herald,
12 Nov. 2025
-
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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The final Scary Movie trailer opens with a fittingly grotesque send-up of Terrifier, the ultra-bloody, low-budget clown slasher that's built a cult following.—
Ryan Coleman,
Entertainment Weekly,
5 June 2026
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What appears to be a Unitree G1 humanoid robot wearing a blue clown wig can be seen confidently executing a roundhouse kick — squarely in the stomach of a young child in the audience, causing the kid to double over in pain.—
Victor Tangermann,
Futurism,
4 June 2026
Noun
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Sikiric remembers the juice sometimes harbored rats that had been caught and eaten by the pigs in their final hours.—
Sara Talpos — Undark,
STAT,
1 June 2026
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Someone says the rats are actually cute — what’s your honest response?—
Zach Schiffman,
Curbed,
29 May 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 8 Jun. 2026.
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