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Synonyms

rat on

Idioms  
  1. Betray a comrade by giving information, as in He ratted on his best friend to the police. [Slang; early 1900s]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Yet he also refuses to identify someone who can prove his innocence because he does not rat on people, and, he insists, he is innocent of the killings.

From Salon Sep. 6, 2024

The poster showed a rat on its haunches, standing in the shadow of a giant version of itself.

From New York Times Jun. 25, 2022

Santer says his son felt unsafe at home after someone left a dead rat on his doorstep.

From Science Magazine Mar. 23, 2022

The woman in this shot was called Miriam, and the rat on her shoulder is called Bestia.

From The Guardian Jul. 31, 2019

For a blanket in my cold little room, SS-Hauptsturmführer Amadeus von Linden, I would without remorse or hesitation rat on my heroic ancestor William Wallace, Guardian of Scotland.

From "Code Name Verity" by Elizabeth Wein

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