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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Two years ago, an FBI informant met with a South Florida man who expressed his desire to join an anti-government militia and build a bomb targeting a New York City landmark, the FBI said.
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Babeuf was betrayed by an informant, put on trial in 1797, and eventually acquitted of conspiracy, but he was executed for committing his ideas about inequality to print.
Noun
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For instance, there are glazed pork belly chunks served on crispy tostones, tuna tataki with a jerk-spice rub, and a bright, citrusy conch salad.
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Learn how to cook lionfish ceviche, jerk chicken, and more with a group of like-minded people from all over the world, concluding with an alfresco feast—a true one-of-a-kind connection between strangers.
Noun
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One of State Security’s main goals, as well as a central source of its strength, is turning civilians into informers.
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And so every regime invests in having student informers.
Noun
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This cot-style find is made of breathable mesh fabric to keep your dog cool, and the steel frame features skid-resistant feet.
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Their dog was found alive, which gave the younger Eliezer Alfonzo hope.
Noun
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Restaurants As The Canary The restaurant industry is a useful canary for any business watching this dynamic.
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The Edge and Adam Clayton both release canaries into the air in slow motion.
Noun
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The group demonstrated near the Washington Monument and was met by a few counter protestors, one of which played clown music throughout the majority of the demonstration.
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But many did not, as the 1981 episodes tell the grim tale of a young girl named Sylvia (Barash), who is raped by a stranger wearing a horrifying clown mask.
Noun
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Once an unconscious stool pigeon, always an unconscious stool pigeon.
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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.
Noun
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Rabies is often found in bats, raccoons, skunks, and foxes, but any mammal can be infected.
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Hence, bright lights and sprays of water will make skunks want to flee your yard.
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Cite this Entry
“Rat fink.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rat%20fink. Accessed 7 Jul. 2026.
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