Word: supergrass
Part of speech: Noun
Syllables: su
per
grass
Definition: An informer providing substantial quantities of information on criminal or terrorist activities to the police.
Morphemes:
Affix: super-
Language: en
PoS: Prefix
Meaning: superhero
Etymology Compounds: Affix: super-
Language: la
Decoded: super-
PoS: Prefix
Meaning: super-; over, above
Affix: grass
Language: en
PoS: Noun
Meaning: An informer, police informer; one who betrays a group (of criminals, etc) to the authorities.