1
as in to split (on)
to give information (as to the authorities) about another's improper or unlawful activities
how much—or how little—did the fuzz have to pay you to rat on us?
Synonyms & Similar Words
Relevance
2
as in to desert
to leave (a cause or party) often in order to take up another
many party operatives ratted on the senator's candidacy once her poll numbers started to slip
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for rat (on)
Verb
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These fighters were the anti-fascist Resistance—men who’d deserted the armies of Adolf Hitler and Benito Mussolini and were preparing to fight for freedom.—
Sonja Anderson,
Smithsonian Magazine,
1 Apr. 2025 -
Never desert a blaze: Avoid leaving any fire unattended.—
NC Weather Bot,
Charlotte Observer,
28 Mar. 2025
Verb
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Prior to the premiere, O’Brien talked to Variety about the challenge of playing dual parts.—
Rebecca Rubin,
Variety,
8 Apr. 2025
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The Handmaid's Tale creator Bruce Miller talks the shocking reunion in the season 6 premiere.—
Lauren Huff,
EW.com,
8 Apr. 2025
Verb
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The company must take the job listing down and reject all the candidates that applied.—
Kate Wieczorek,
Forbes.com,
1 Apr. 2025
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In May 2023, in an election monitored by USA Hockey, CAHA members rejected Kanai in favor of the association’s new president, Brian Smith, who promptly terminated Schaffer.—
Daniel Libit,
Sportico.com,
31 Mar. 2025
Verb
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According to Kang, investment in innovative projects should inform how the company should move forward.—
Jessica Mendoza,
Forbes.com,
1 Apr. 2025
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That will inform many of your decisions and pivots.—
Neil Senturia,
San Diego Union-Tribune,
31 Mar. 2025
Verb
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Iran later abandoned provisions of the JCPOA and forged ahead with its nuclear program.—
Ron Estes,
MSNBC Newsweek,
30 Mar. 2025
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The administration’s decision to abandon plans to move D.C.’s elite fighter jet squadron to Maryland comes months after the state’s congressional delegation and Gov. Wes Moore (D) worked to secure the planes to prevent the state from losing its flying mission.—
Meagan Flynn,
Baltimore Sun,
29 Mar. 2025
Verb
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Most recently, Ukrainian air force Sukhoi Su-27 fighters have been hurling the bombs at bridges in Belgorod Oblast in western Russia, aiming to cut off Russian troops in the oblast’s border region, where Ukrainian brigades have launched small-scale incursions.—
David Axe,
Forbes.com,
29 Mar. 2025
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Bricker was born without legs due to a uterine band cutting off the blood supply to her lower limbs in utero.—
Colson Thayer,
People.com,
29 Mar. 2025
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Cite this Entry
“Rat (on).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rat%20%28on%29. Accessed 13 Apr. 2025.
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