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
-
In California, the warning is in effect for southeastern counties, with temperatures forecast to reach 111 F in Indian Wells Valley; and 115 F in Coachella Valley and San Diego County deserts.—
Matthew Robinson,
MSNBC Newsweek,
11 Aug. 2025 -
Once again, Liverpool’s end at the national stadium was long since deserted.—
James Pearce,
New York Times,
11 Aug. 2025
Verb
-
Holton: Years later, Paul talked me into doing conventions.—
Simon Bland,
IndieWire,
6 Aug. 2025
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According to Jones, the two have not talked since Parsons requested a trade last Friday.—
Jon Machota,
New York Times,
6 Aug. 2025
Verb
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Evers himself rejected Underly’s request to repeal a state law requiring teachers to pass the Foundations of Reading Test to obtain certain teaching licenses.—
Rory Linnane,
jsonline.com,
7 Aug. 2025
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After twice rejecting Trump, Nevadans ousted a Democratic governor in 2022 and helped Trump back to the White House in 2024.—
Burgess Everett,
semafor.com,
7 Aug. 2025
Verb
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During the conversation: • Lead with curiosity informed by intelligence, not information dumps.—
B.D. Dalton,
Forbes.com,
8 Aug. 2025
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She's also led initiatives within Cincinnati Preschool Promise like Preschool Chats, Coffee & Conversations and newsletters informing providers and parents of all the inner workings of the group.—
Grace Tucker,
The Enquirer,
7 Aug. 2025
Verb
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Both were abandoned in the face of a challenge, and both resulted in companies staying independent and having success.—
Rohan Goswami,
semafor.com,
7 Aug. 2025
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The lack of parking is made worse by drivers who leave large commercial trucks or work vans abandoned on neighboring streets, often taking up multiple parking spaces, Lopez said.—
Alyssa N. Salcedo,
jsonline.com,
7 Aug. 2025
Verb
-
The federal education department cut off that grant in February.—
Rory Linnane,
jsonline.com,
7 Aug. 2025
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Although Akazawa has claimed that levies will be cut off at 15% rather than added on top of current rates, an executive order released last week indicated that the 15% cut off applied only to the European Union and would not be implemented for Japan.—
Sakura Murakami,
Fortune,
6 Aug. 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 19 Aug. 2025.
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