Meaning of supergrass | Babel Free

Definitions

An informer providing substantial quantities of information on criminal or terrorist activities to the police.

UK, slang

Examples

“I have⟳ to tell⟳ the hon. and learned Gentleman that I do not know⟳ the facts which led to that decision. On the other hand, although it is an unpleasant fact of life, there are now and again occasions on which, in order⟳ to achieve⟳ convictions against really bad villains, it is necessary to use⟳ people who are termed supergrasses.”

“In several cases the supergrass spent days in the witness box giving evidence of scores of offences allegedly committed by many individuals over a period of years.”

CEFR level