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
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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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Never desert a blaze: Refrain from leaving any fire unattended.—
CA Weather Bot, Sacbee.com, 18 May 2025
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The feeling of perhaps uncovering a great secret, which Ruth’s face had given her for a moment in the hallway outside Thalia’s office, had deserted her.—
Verb
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Reopen Scripps Coastal Reserve first, talk later This letter was sent to California Coastal Commission enforcement staff counsel Andrew Willis, with a copy to the La Jolla Light.—
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Patti LuPone stood in a midtown recording studio one spring afternoon, talking to Carrie Bradshaw.—
Verb
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On May 16, Brown appeared in Manchester Magistrates’ Court, where Judge Joanne Hirst rejected his bail request.—
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To compound the embarrassment, Arsenal fan group Ashburton Army had raised more than £12,000 to fund their own tifo, which the club rejected (fans who had donated were refunded their money).—
Verb
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The film also stars Dave Bautista as Steve, the show’s producer who informs Shelly that her longtime gig is coming to an end.—
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Parents and teachers were not informed of that probe or her indictment on 19 charges in August 2024, and only discovered this information two months ago when local outlet WHYY broke the story.—
Verb
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President mulls joining Russia-Ukraine peace talks, expects ceasefire With Russian forces now in control of close to a fifth of Ukraine, Putin has held fast to his longstanding demands for Kyiv to cede territory, abandon its NATO membership ambitions and become a neutral country.—
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When Lollapalooza first announced that Olivia and Sabrina Carpenter were headlining this summer (along with Tyler, the Creator and Rüfüs Du Soul), with Abrams also in a top slot, there was the predictable gnashing of teeth that Lollapalooza is abandoning its precious rock heritage.—
Verb
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During the Sunday Morning interview, which was focused on Belichick's new memoir, Hudson was seen cutting off questions from journalist Tony Dokoupil about their relationship.—
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Some sort of flight test took place two years ago, but the video cuts off after a minute, suggesting that the end of the flight was less than nominal.—
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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 29 May. 2025.
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