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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Burrowing owls are also desert dwellers and have adapted by digging burrows underground for nesting and shelter.—
Ernie Cowan,
San Diego Union-Tribune,
25 May 2025 -
But as the match progressed, Djokovic – who turned 38 on Thursday – showed the kind of resolute determination which appeared to have deserted him of late, breaking Hurkacz four times in a tiebreak after each player had held serve throughout the second set.—
Jamie Barton,
CNN Money,
24 May 2025
Verb
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Witnesses said the customer complained about his order to a female employee working at the Checkers window and asked to talk to a manager several times, investigators wrote in the report.—
Olivia Lloyd,
Miami Herald,
26 May 2025
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Patti LuPone stood in a midtown recording studio one spring afternoon, talking to Carrie Bradshaw.—
Michael Schulman,
New Yorker,
26 May 2025
Verb
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Brentford have rejected an offer of around €9million (£7.6m; $10.2m) from Bayer Leverkusen for their first-choice goalkeeper Mark Flekken but negotiations are ongoing over a potential deal.—
Jay Harris,
New York Times,
30 May 2025
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Paramount is currently engaged in mediation talks with Trump’s attorneys, who recently rejected a $15 million settlement offer and threatened further litigation, The Wall Street Journal reported earlier this week.—
Dominick Mastrangelo,
The Hill,
30 May 2025
Verb
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Attendees had been informed of the location just 48 hours in advance.—
Hannah Allam,
ProPublica,
31 May 2025
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Force torque sensors installed in most of its joints act a bit like a nervous system, informing the robot when key components sustain excessive loads to prevent it from damaging the arm or the drill.—
ArsTechnica,
ArsTechnica,
30 May 2025
Verb
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How private resorts are changing travel Final boarding call for free bags at Southwest as airline abandons a cherished perk Travel Troubeshooter: Denied boarding on my flight home.—
South Florida Sun Sentinel,
Sun Sentinel,
29 May 2025
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Ford abandoned its stake in its robotaxi developer Argo.—
Charlie Campbell,
Time,
29 May 2025
Verb
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The final week of the regular session left Democrats angry with Republicans over the majority party’s decision to cut off multiple filibusters.—
Jonathan Shorman,
Kansas City Star,
28 May 2025
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To do so, the EU could cut off the remaining imports of Russian pipeline gas and LNG.—
David McHugh,
Los Angeles Times,
28 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 6 Jun. 2025.
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