Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: supergrass  'soo-pu(r),grãs
Usage: Brit, informal
  1. A police informer who implicates many people
    "The supergrass provided information that led to multiple arrests in the criminal organization";
    - grass [Brit]

Derived forms: supergrasses

Type of: betrayer, blabber [informal], informer, rat [informal], squealer

Encyclopedia: Supergrass