grass (on)

British slang
as in to tell (on)
to give information (as to the authorities) about another's improper or unlawful activities that bloke would grass on his own mater to save himself

Synonyms & Similar Words

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Example Sentences

Recent Examples of Synonyms for grass (on)
Verb
  • Here to talk more about this is Tax Notes investigations editor Lauren Loricchio.
    Tax Notes Staff, Forbes.com, 1 July 2025
  • Through it all, Thune kept talking to Sen. Susan Collins, R-Maine, a moderate Mainer who blanched at the bill’s Medicaid cuts.
    Burgess Everett, semafor.com, 1 July 2025
Verb
  • Some of his friends are aware, and Mayer spoke with F1 CEO Stefano Domenicali to inform him of the campaign only the day prior, out of courtesy.
    Madeline Coleman, New York Times, 5 July 2025
  • The camp previously sent an email to families informing them of the situation, which was later shared by KEYE.
    David Chiu, People.com, 4 July 2025
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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Cite this Entry

“Grass (on).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/grass%20%28on%29. Accessed 16 Jul. 2025.

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