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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Where else but California could a burning city give way to desert isolation in mere moments?—
Graham Hillard,
The Washington Examiner,
3 Oct. 2025 -
Ironman races are held in locations around the world, from coastal cities to desert landscapes.—
Tiffany Acosta,
AZCentral.com,
1 Oct. 2025
Verb
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As most pregnant people can attest, talking to your baby while they are still safely tucked away in the womb is one of the most comforting ways to feel that the two of you are connected.—
Elisabeth Sherman,
Parents,
8 Oct. 2025
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Alice Marie Johnson, some people are trying to talk to Trump at Mar-a-Lago, some people are trying to get on Fox News to pitch their case.—
Michael Saponara,
Billboard,
8 Oct. 2025
Verb
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The Alabama Court of Criminal Appeals later rejected a claim of ineffective assistance of counsel against him.—
Amy Yurkanin,
ProPublica,
9 Oct. 2025
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The Senate rejected Democratic and Republican plans to reopen the government Thursday, its seventh attempt to break the stalemate.—
David Lightman,
Sacbee.com,
9 Oct. 2025
Verb
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What has lived as a secret sauce inside Carlyle for more than a decade might now inform policymakers flying blind.—
Liz Hoffman,
semafor.com,
9 Oct. 2025
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Potts informed reporters on Wednesday that three people injured during the attack are still hospitalized.—
Rachel Wolf,
FOXNews.com,
9 Oct. 2025
Verb
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Trouble ahead Cernea’s decision to switch carriers hints at the worst-case scenario for UPS, which is that people could abandon the company.—
Kayla Steinberg,
NBC news,
10 Oct. 2025
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But it should be noted that people abandoning religion usually do so less vocally than those joining up.—
Big Think,
Big Think,
9 Oct. 2025
Verb
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The Tesla and an SUV were traveling westbound on Northwest 163rd Street when the SUV allegedly cut off the Tesla, prompting the Tesla to crash into a utility pole and burst into flames, a North Miami Beach Police Department spokesperson said.—
David Chiu,
PEOPLE,
7 Oct. 2025
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That would cut off access to the narrow gaps between train cars where subway surfers use handholds to hoist themselves onto the roof.—
Dave Smith,
Fortune,
7 Oct. 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 Oct. 2025.
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