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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In the harsh afternoon sun, it was deserted except for dogs dozing on the rocks, and lovers seeking a shred of privacy.—
Taran Khan,
The Dial,
24 Mar. 2026 -
The play area was deserted except for two brothers.—
Jenisha Watts,
The Atlantic,
23 Mar. 2026
Verb
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The Miami Herald talked to 10 lawn care companies about how the change will affect their work.—
Ashley Miznazi,
Miami Herald,
24 Mar. 2026
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When Sahelian countries tried to talk to their insurgents, France fiercely opposed it.—
Obi Anyadike,
semafor.com,
23 Mar. 2026
Verb
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Lloyd told the student he had been jumped three weeks earlier and believed someone from the fraternity he had been rejected from sent someone to attack him.—
WCCO Staff,
CBS News,
25 Mar. 2026
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Residents also raised $1,200 via a GoFundMe fundraising page to pressure county commissioners to reject the project.—
Charlotte Observer,
Charlotte Observer,
24 Mar. 2026
Verb
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Presidents have historically leaned on their national security officials to inform the public about their wars.—
Eleanor Mueller,
semafor.com,
25 Mar. 2026
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When Jobs returned to Apple after the first demo, he was crisply informed by Raskin that he’d been had — PARC had withheld from him most of its most innovative work.—
Business Columnist,
Los Angeles Times,
24 Mar. 2026
Verb
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The vehicle was later found abandoned at Clement Park in Littleton.—
Christa Swanson,
CBS News,
28 Mar. 2026
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Avoid abandoning any fire without supervision.—
NC Weather Bot,
Charlotte Observer,
28 Mar. 2026
Verb
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Erie, for example, is one of the communities currently threatening to cut off water access to residents who are overusing water at this time.—
Dillon Thomas,
CBS News,
25 Mar. 2026
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Since then and as a result of the conflict, the market is pricing in higher inflation and has taken the June rate cut off the table.—
Todd Gordon,
CNBC,
24 Mar. 2026
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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 30 Mar. 2026.
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