supergrass
/ (ˈsuːpəˌɡrɑːs) /
noun
an informer whose information implicates a large number of people in terrorist activities or other major crimes
Words nearby supergrass
superglue,
supergovernment,
supergrade,
supergranulation cell,
supergraphics,
supergrass,
supergravity,
supergroup,
superharden,
superheat,
superheavy
Example sentences from the Web for supergrass
The new names were handed over by a suspect turned "supergrass".
All this is small beer compared with the supergrass that BCL Burton Copeland may turn out to be.