'lunatic fringe' definitions:

Definition of 'lunatic fringe'

From: WordNet
noun
A political unit with extreme and fanatical views

Definition of 'lunatic fringe'

From: GCIDE
  • lunatic fringe \lunatic fringe\ n. the members of a political or social group espousing extreme, fanatical, or seemingly irrational views. [PJC]

Synonyms of 'lunatic fringe'

From: Moby Thesaurus