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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We were situated in an immense valley peppered with boulders and desert agave plants—the site, Mikkelsen told me, of a winter village of the Kumeyaay people, who have inhabited the region for more than 10,000 years.—
Rosecrans Baldwin,
Travel + Leisure,
11 Oct. 2025 -
The story centers on a man who travels to Pontianak carrying his deceased sister’s remains, hoping to honor her dying wishes while tracking down the father who deserted them.—
Naman Ramachandran,
Variety,
9 Oct. 2025
Verb
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Kelce talked Wednesday about the good vibes in the Chiefs facility on the latest episode of the New Heights podcast.—
Pete Grathoff,
Kansas City Star,
15 Oct. 2025
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The crows are back, talking to the dog again, and the other birds are singing in the trees.—
Joële Walinga,
IndieWire,
15 Oct. 2025
Verb
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The council had already rejected Allied once before, months earlier, over settlements — including back wages — that the company has had to pay out to current and former employees.—
Shomik Mukherjee,
Mercury News,
17 Oct. 2025
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Teachers, students, and parents alike rejected the $850 million effort.—
Andrew Nusca,
Fortune,
17 Oct. 2025
Verb
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Guadagnino had noted to Piersanti that Alma was an upper-class woman, which informed the wardrobe pricing, while Maggie, played by Edebiri, was trying to emulate Alma but on a younger woman’s budget.—
Leigh Nordstrom,
Footwear News,
16 Oct. 2025
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Few figures have informed the sensibility of NPR more than Stamberg.—
David Folkenflik,
NPR,
16 Oct. 2025
Verb
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As well as finding comfort on arrival, Smith is determined that those who move on do not feel abandoned.—
George Caulkin,
New York Times,
16 Oct. 2025
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The novel can get busy—Taylor introduces each of Wyeth’s studio mates in the first chapter, then all but abandons half of them to squeeze in more significant characters—but there’s a warmth in the overcrowding.—
Literary Hub,
Literary Hub,
16 Oct. 2025
Verb
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The huge import taxes would come on top of the 44% tariff rate already in place on China, effectively cutting off trade between the world’s two largest economies, according to Wolfe Research.—
Spencer Kimball,
CNBC,
14 Oct. 2025
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During the first internet suspension, one father described to NPR how his daughters were quiet, pale and withdrawn after the internet was cut off.—
NPR,
NPR,
14 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 20 Oct. 2025.
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