RAT (ON) Synonyms: 51 Similar and Opposite Words

rat (on)

verb

Definition of rat (on)

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

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

Instead of speaking only about the Beautiful Game, Eason would talk to Diomandé about his mother, who suffers from long-term health issues, and genuinely cared about the person behind the player.

— Ben Church, CNN Money, 21 Aug. 2026
Founded in 2009, the group has bloomed into a small empire—we’re talking nearly 70 of the South’s favorite restaurants, hotels, bars, and cafes, plus another dozen or so in development—with thoughtful intention.

— Colleen McNally Arnett, Southern Living, 20 Aug. 2026

Definition of talk

Verb

Currently, there are three categories of vaccination recommendations granted by the Centers for Disease Control and Prevention, which is informed by a panel of independent expert advisors, the Advisory Committee on Immunization Practices (ACIP).

— Beth Mole, ArsTechnica, 24 Aug. 2026
Over the weekend, Bloomberg News reported Nvidia has informed customers of impending price hikes on AI servers due to memory costs.

— Jim Cramer, CNBC, 24 Aug. 2026

Definition of inform

Verb

Pakistan’s government rejected the allegations over the weekend, saying Khan was examined by doctors from the private hospital and that he could not be taken to Shifa International for security reasons.

— ABC News, ABC News, 24 Aug. 2026
Importantly, the jury's decision is advisory, meaning the ultimate decision rests with the judge, who can accept or reject the conclusions.

— Paulina Likos, CNBC, 24 Aug. 2026

Definition of reject

Verb

And just like that, Rocky Myers is cut off from the world again.

— Alaa Elassar, CNN Money, 25 Aug. 2026
But in recent years, Romo has been criticized for his preparation, for cutting off Nantz mid-sentence, for fawning over Josh Allen and other quarterbacks and for seeming pollyannish at times.

— Barry Jackson, Miami Herald, 24 Aug. 2026

Definition of cut off

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

ratios

rat (on)

rats

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Style

“Rat (on).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rat%20%28on%29. Accessed 25 Aug. 2026.

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Synonyms of rat (on)

verb

Example Sentences

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