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 lawsuit also alleges authorities relied on testimony from a jailhouse informant who received benefits in exchange for cooperating, while failing to disclose information that could have undermined his credibility.—
Stepheny Price,
FOXNews.com,
7 May 2026 -
The Justice Department accuses the group of fraud in connection with its payments to informants.—
Ella Lee,
The Hill,
6 May 2026
Noun
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And so every regime invests in having student informers.—
Anne Applebaum,
The Atlantic,
23 Jan. 2026
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The whole family is deeply involved in the revolutionary movement: the oldest son disappears into Siberia, never to be seen or heard of again, while the youngest, eighteen, is jailed together with his father, and executed after his cell is exposed by an informer.—
Literary Hub,
Literary Hub,
22 Jan. 2026
Noun
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Emerson had a 290 in the clean-and-jerk and 235 in the snatch (525 total) in the 154-pound weight class.—
Alex Kushel,
Sun Sentinel,
9 May 2026
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McKenzie was even more ahead of the pack in the Traditional style, which couples each lifter’s best bench press with their clean-and-jerk mark.—
Buddy Collings,
The Orlando Sentinel,
8 May 2026
Noun
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After Spirit Airlines ceased operations, in the middle of the night on May 2nd, a series of canary-yellow airplanes sat on the tarmac at Newark Airport, arranged neatly like children’s toys at day’s end.—
Doreen St. Félix,
New Yorker,
9 May 2026
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These living materials could also serve as canaries in the coal mine for water safety, glowing brighter or dimming in the presence of specific toxins.—
Mrigakshi Dixit,
Interesting Engineering,
7 May 2026
Noun
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In real life, once the cameras stop rolling, Wallace and McGarry have bonded over their dog named Darla, who made her online debut in March 2024.—
Angel Saunders,
PEOPLE,
11 May 2026
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Landowski only began competing Neo in agility competitions last year, and the training involved coaching with a dog trainer in Hudson Oaks and years of hogging the family computer to watch dog agility competition videos, her mother, Rhian said.—
Tanya Babbar,
Fort Worth Star-Telegram,
11 May 2026
Noun
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Once an unconscious stool pigeon, always an unconscious stool pigeon.—
Howie Carr,
Boston Herald,
12 Nov. 2025
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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
Noun
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Even a rival gave kudos — kind of — to the clown.—
Anna Lazarus Caplan,
PEOPLE,
8 May 2026
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Thor is now a circus clown — not even a funny one at that — relegated to being the butt of Star-Lord's unfunny jokes and the least-serious Avenger.—
Sergio Pereira,
Space.com,
6 May 2026
Noun
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The Angels went to bat against the rats, announcing that cleaning crews would get to work an hour after each game instead of waiting until the next morning.—
Steve Henson,
Los Angeles Times,
28 Apr. 2026
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The Los Angeles Angels have seemingly traded the rally monkey in for alley rats.—
Alejandro Avila OutKick,
FOXNews.com,
28 Apr. 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 12 May. 2026.
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