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 devices were hidden in a pack of cigarettes, the informant’s watch, and a cellphone.
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However, some members of the Hole in the Wall Gang got busted in 1981 for stealing from a home furnishings store, and Cullotta — one of those busted — became an informant.
Noun
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This Jamaican restaurant, located just off Main Street, brings Caribbean flavors to Mackinac Island’s solid rotation of restaurants, with planked whitefish and jerk chicken sandwiches.
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After Game 4, jerks were throwing things at Victor Wembanyama.
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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What breaks my heart is that Vermax’s cries sounded like a dog crying, a dog dying.
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Roughly the size of a large dog and weighing more than 110 pounds (50 kilograms), the quadruped robot is designed to navigate industrial facilities that include staircases, narrow walkways, uneven surfaces, and confined spaces.
Noun
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The Edge and Adam Clayton both release canaries into the air in slow motion.
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Matt Schmidt, founder of Schmidt Automotive Research, said BMW is a canary in a coal mine for the industry.
Noun
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The island village is beset by sea hags, serial killers, creepy clowns and other evils that interfere with Tom’s dream of turning Widow’s Bay into a Martha’s Vineyard-like tourist destination.
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Even the announcers are laughing at the clown Way to swing the bat.
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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Because spotted skunks are relatively rare in California wildlife rehabilitation centers and in the surrounding area, there were no other skunks of his kind available to keep him company.
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The fall is an especially busy time for skunks.
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Cite this Entry
“Rat fink.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rat%20fink. Accessed 28 Jun. 2026.
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