grass (on)

Definition of grass (on)next
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

Relevance

Example Sentences

Recent Examples of Synonyms for grass (on)
Verb
  • Negating the new map On the trail, Jeffries and Garcia talked less about their relationship.
    — Nicholas Wu, semafor.com, 27 Oct. 2026
  • In the driveway, next to a yellow pizza box, Litberg could be seen talking and signing to his workers.
    — Ruben Vives, Los Angeles Times, 27 Oct. 2026
Verb
  • There is not a verifiable document about employees who have been informed about their responsibility to report health issues.
    — Arkansas Online, Arkansas Online, 26 Oct. 2026
  • The statement doesn’t amount to an endorsement, a spokesperson for Caruso said, but instead simply informs people for whom Caruso planned to vote.
    — Noah Goldberg, Los Angeles Times, 26 Oct. 2026
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.

Browse Nearby Words

Cite this Entry

“Grass (on).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/grass%20%28on%29. Accessed 28 Oct. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster