1
as in informant
a person who provides information about another's wrongdoing
the drug mule refused to turn rat without a guarantee of immunity
Synonyms & Similar Words
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2
as in lover
someone who regularly spends time in a particular place
on Friday night the mall rats were out in full force
Synonyms & Similar Words
3
as in bastard
a person whose behavior is offensive to others
no one can understand what she finds appealing in a rat like him
Synonyms & Similar Words
Antonyms & Near Antonyms
as in to leak
Synonyms & Similar Words
Antonyms & Near Antonyms
Examples Sentences
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Recent Examples of rat
Greta Cross, USA TODAY, 15 Jan. 2025
Some of the earliest calls for Red No. 3’s removal date back to the 1980s, when a research study indicated the synthetic could be carcinogenic in rats after ingesting it in large enough amounts.
—Andrew Paul, Popular Science, 15 Jan. 2025
Animal studies conducted in the 1980s revealed a link between high doses of Red 3 and the development of tumors in male rats, leading the FDA to ban its use in cosmetics in 1990.
—Jesus Mesa, Newsweek, 15 Jan. 2025
Perhaps that would have caught the egregious rat genitalia figure, although as Ars Science Editor John Timmer pointed out at the time, the software has limitations.
—Jennifer Ouellette, Ars Technica, 30 Dec. 2024
See all Example Sentences for rat 
Noun
The color additive petition filed in 2022 cited two studies that showed cancer in male lab rats when exposed to high levels of Red No. 3.
—Greta Cross, USA TODAY, 15 Jan. 2025
Some of the earliest calls for Red No. 3’s removal date back to the 1980s, when a research study indicated the synthetic could be carcinogenic in rats after ingesting it in large enough amounts.
—Andrew Paul, Popular Science, 15 Jan. 2025
Animal studies conducted in the 1980s revealed a link between high doses of Red 3 and the development of tumors in male rats, leading the FDA to ban its use in cosmetics in 1990.
—Jesus Mesa, Newsweek, 15 Jan. 2025
Perhaps that would have caught the egregious rat genitalia figure, although as Ars Science Editor John Timmer pointed out at the time, the software has limitations.
—Jennifer Ouellette, Ars Technica, 30 Dec. 2024
See all Example Sentences for rat
Recent Examples of Synonyms for rat
Noun
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Revelations that Tarrio had acted as an informant for law enforcement in 2012 and 2014 caused further divides in the group.—
Kristen Waggoner,
Newsweek,
21 Jan. 2025
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The investigation never uncovered evidence of a key claim — that both father and son accepted a bribe — and the former FBI informant who made the claim pleaded guilty last year to fabricating the claim.—
Rebecca Beitsch,
The Hill,
20 Jan. 2025
Noun
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Elsewhere in the world of watch lovers, Kevin O’Leary was on Fox celebrating his auction win of a unique Chanel Boy.—
Sophie Furley,
Robb Report,
26 Jan. 2025
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The event brings together hundreds of religious motorcycle lovers, while raising funds to benefit St Luke’s Center, a drug and alcohol rehabilitation facility operated by Catholic Charities of the Archdiocese of Miami.—
Lauren Costantino,
Miami Herald,
26 Jan. 2025
Verb
-
News of the tour was confirmed by the band on January 13 after word leaked, but the specifics were kept under wraps due to the L.A. wildfires.—
Greg Evans,
Deadline,
22 Jan. 2025
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Cannon expressed concern that the report, if shown to members of Congress, could be leaked publicly and prevent Trump's former co-defendants from having a fair trial.—
Katherine Faulders,
ABC News,
21 Jan. 2025
Noun
-
Given the increasingly absurd pretexts the state is using for criminal prosecution and the resounding success of informers of all stripes, the judicial crackdown will continue to worsen.—
Andrei Kolesnikov,
Foreign Affairs,
17 May 2024
-
Standing in his way are British spies, French informers and jealous colleagues.—
Liza Foreman,
The Hollywood Reporter,
10 Apr. 2024
Noun
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For many fans, the idea of Cena's final WrestleMania match being against a newbie like Paul—rather than a more traditional title defense—has sparked significant backlash.—
Kristen Waggoner,
Newsweek,
22 Jan. 2025
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Not only did Sahin graduate through the club’s academy and make more than 200 appearances for the first team, he was also born locally and grew up a Dortmund fan.—
Sebastian Stafford-Bloor,
The Athletic,
21 Jan. 2025
Noun
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According to LifeLine, the DeKalb shelter takes in 135 dogs a week on average.—
Jim Gaines,
ajc,
13 Sep. 2023
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The remains were found by two men who were running their dogs and looking for rocks, according to DNASolves.—
CBS News,
CBS News,
13 Sep. 2023
Verb
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Before trying any supplement, talk with a healthcare provider.—
Lindsay Curtis,
Health,
26 Jan. 2025
-
That is a location that president and candidate Trump talked quite a lot about, specifically as an example of immigration run amuck.—
CBS News,
CBS News,
26 Jan. 2025
Noun
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After the woman delivered a healthy baby boy, her symptoms led to a cancer diagnosis, and doctors theorized that the NIPT had been the canary in the coal mine: Her tumors were shedding abnormal DNA into the bloodstream, which skewed the prenatal test results.—
ByJennifer Couzin-Frankel,
science.org,
4 Dec. 2024
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Cats, however, may turn out to be the canaries in the coalmines — pardon the mixed metaphor.—
Jan Ellen Spiegel,
Hartford Courant,
24 Dec. 2024
Thesaurus Entries Near rat
Cite this Entry
“Rat.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rat. Accessed 30 Jan. 2025.
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