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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Tehran’s streets are deserted Tehran’s streets have been largely deserted with people sheltering during airstrikes.—
Jon Gambrell,
Chicago Tribune,
2 Mar. 2026 -
Within minutes, the square was deserted.—
Tal Shalev,
CNN Money,
2 Mar. 2026
Verb
-
He's seen all the computer models, he's talked to all the experts, he's seen the footage coming out of Oklahoma.—
Arkansas Online,
Arkansas Online,
10 Mar. 2026
-
Dobbins is a delight to watch and even more fun to talk to.—
Sean Keeler,
Denver Post,
10 Mar. 2026
Verb
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In a further escalation of tensions with Kyiv, Hungary's parliament on Tuesday passed a resolution giving the government the green light to oppose Ukraine's path to joining the European Union and reject any initiatives to supply Ukraine with weapons or funding.—
JUSTIN SPIKE THE ASSOCIATED PRESS,
Arkansas Online,
11 Mar. 2026
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On Tuesday, officials representing Seligman urged the council to reject the compensation agreements and instead sell the property to Seligman.—
David Garrick,
San Diego Union-Tribune,
11 Mar. 2026
Verb
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From the haunting coastline of Namibia to off-road adventures in Iceland, let the 13 trips ahead inform your next adventure.—
Nicole Kliest,
Vogue,
11 Mar. 2026
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Instead of publishing that letter, Guerra said the state Democratic Party should have gone straight to releasing the VOTER Index and framing it simply as an opportunity to inform voters about the state of the race for governor.—
Linh Tat,
Daily News,
11 Mar. 2026
Verb
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But the island seems as forlorn and abandoned as any time since the fall of the Soviet Union.—
Patrick Oppmann,
CNN Money,
7 Mar. 2026
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Friday’s race was a replacement for the downhill five weeks ago at Swiss resort Crans-Montana, abandoned after Vonn crashed and tore the ACL in her left knee.—
ABC News,
ABC News,
6 Mar. 2026
Verb
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Designating the company a supply chain risk cuts off Anthropic's defense work using an authority that was designed to prevent foreign adversaries from harming national security systems.—
Arkansas Online,
Arkansas Online,
10 Mar. 2026
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Others coordinated to use their consecutive time slots to read off of the same script, starting where the person before them hand been cut off.—
Rachel Royster,
Fort Worth Star-Telegram,
10 Mar. 2026
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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 12 Mar. 2026.
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