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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Some European countries, deserted by the United States and lacking a formidable European-only defense alliance, may be cowed into cutting deals with Moscow.—
Liana Fix,
Foreign Affairs,
1 May 2025 -
When this reporter stopped by on a Tuesday afternoon at 5 p.m. several months ago, the bar/restaurant was deserted.—
Gary Stern,
Forbes.com,
24 Apr. 2025
Verb
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Hamas talked to the United States and Egyptian and Qatari mediators to arrange the release of Alexander, and Israel has sent a team to Doha to begin a new round of talks.—
Nidal al-Mughrabi,
USA Today,
15 May 2025
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So the controllers were left unable to see or talk to the planes around Newark Liberty International Airport for as long as 90 seconds on April 28 and May 9.—
Josh Funk,
Chicago Tribune,
14 May 2025
Verb
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On May 16, Brown appeared in Manchester Magistrates’ Court, where Judge Joanne Hirst rejected his bail request.—
Jennifer Zhan,
Vulture,
18 May 2025
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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).—
Tim Spiers,
New York Times,
18 May 2025
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.—
Tim Lammers,
Forbes.com,
17 May 2025
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The seawater safety testing that informs the county’s beach water quality advisories is designed to look for hazards posed by sewage, not fire debris.—
Corinne Purtill,
Los Angeles Times,
16 May 2025
Verb
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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.—
Rob Sheffield,
Rolling Stone,
17 May 2025
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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.—
USA Today,
USA Today,
17 May 2025
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.—
Julie Mazziotta,
People.com,
16 May 2025
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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.—
ArsTechnica,
ArsTechnica,
16 May 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 21 May. 2025.
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