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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The second and third matches are due to be played on Friday and Sunday, but the luck of the Irish may desert them with those grey skies in Dublin.—
Tim Ellis,
Forbes.com,
17 Sep. 2025 -
In Cameroon, so many skilled officers have deserted from the military to fight for Russia in Ukraine for up to $3,000 a month, that in March, the Cameroonian government instituted a ban on uniformed men from leaving the country.—
Alia Brahimi,
MSNBC Newsweek,
11 Sep. 2025
Verb
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Schweigert emphasized the importance of talking slowly, before sending participants back to the breakrooms to reintroduce themselves with a more deliberate pace.—
Katherine Fung,
MSNBC Newsweek,
18 Sep. 2025
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When Zuckerberg started talking, Boz's glasses began displaying subtitles.—
PC Magazine,
PC Magazine,
18 Sep. 2025
Verb
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But Democrats have long conceded that the party needs a new vision after voters soundly rejected their presidential ticket last fall, and internal squabbles about the party’s future have spilled out into the public.—
Mabinty Quarshie,
The Washington Examiner,
11 Sep. 2025
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China has rejected the accusation and accused the Philippines of damaging the coral reef ecosystem in the waterway instead.—
Nectar Gan,
CNN Money,
11 Sep. 2025
Verb
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The algorithms are tuned with AI models informed by physics, allowing the sensors to adapt in real time without massive data training.—
Kapil Kajal,
Interesting Engineering,
11 Sep. 2025
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Israel had to inform the US without jeopardizing the operation.—
Oren Liebermann,
CNN Money,
11 Sep. 2025
Verb
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These factors should never be a cause to abandon principles, but this is exactly what is occurring.—
Kimberly Ross,
The Washington Examiner,
12 Sep. 2025
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This would come as Carr also plans on abandoning an effort to raise the agency's benchmark for high-speed internet from 100Mbps to 1Gbps.—
PC Magazine,
PC Magazine,
11 Sep. 2025
Verb
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Start by cutting off the sleeves of thrifted or no longer worn sweaters.—
Claire Hoppe Norgaard,
Better Homes & Gardens,
16 Sep. 2025
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Jere is forced to get a job at a restaurant now that he's cut off financially.—
Monica Mercuri,
Forbes.com,
16 Sep. 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 18 Sep. 2025.
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