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
-
Never desert a blaze: Avoid leaving any fire unattended.—
CA Weather Bot,
Sacbee.com,
30 July 2025 -
His movement to the ball was electric as Alcaraz’s drop shot touch deserted him.—
Tim Ellis,
Forbes.com,
13 July 2025
Verb
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Joey’s parents encouraged him to talk to Sunseri and head coach DeShaun Foster to find out what was going on.—
Sam Khan Jr,
New York Times,
25 July 2025
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Police shared links to two videos on the Heston James Instagram account that showed Cobb talking to employees at two different businesses, including what appeared to be a Chipotle and an auto repair shop.—
Jose R. Gonzalez,
AZCentral.com,
25 July 2025
Verb
-
Israel has strongly rejected claims that the country is perpetuating a genocide against Palestinians in Gaza.—
Savannah Kuchar,
USA Today,
29 July 2025
-
If any other construction would render the clause inoperative, that is an additional reason for rejecting such other construction, and for adhering to the obvious meaning.—
Liz Tracey,
JSTOR Daily,
29 July 2025
Verb
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But in April, as dozens of her colleagues would soon find out for themselves, the UT Office of Sponsored Projects informed her the project was among several the federal government had terminated.—
Lily Kepner,
Austin American Statesman,
30 July 2025
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And that informed something very important for me foundationally.—
Carson Blackwelder,
People.com,
29 July 2025
Verb
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Elliott likewise pressed Hyundai to abandon its own restructuring effort and increase its dividend, again using financial discipline as a wedge to improve governance and transparency.—
Marc Cooper,
Forbes.com,
28 July 2025
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More than 55 years ago, three astronauts en route to the moon had to abandon their dreams of reaching the lunar surface when their spacecraft encountered some serious trouble.—
Eric Lagatta,
USA Today,
28 July 2025
Verb
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Charron, 39, was found guilty of first-degree murder in April in connection with the death of Sardinha, 25, who was stabbed twice in the chest and nearly had her nose cut off on Sept. 2, 2020, in her apartment in Huntington Beach, KTLA reported.—
Christine Pelisek,
People.com,
28 July 2025
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The Florence Project, the only nonprofit organization in Arizona that, with federal funds, provided attorneys for minors, was forced to stop assigning lawyers after the government cut off funding in March 2025.—
Nicol Leon,
AZCentral.com,
27 July 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 3 Aug. 2025.
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