'leftist' definitions:

Definition of 'leftist'

(from WordNet)
adjective
Believing in or supporting tenets of the political left [syn: leftist, left-of-center, left-wing]
noun
A person who belongs to the political left [syn: collectivist, leftist, left-winger]

Definition of 'leftist'

From: GCIDE
  • leftist \leftist\ adj. same as left-wing.
  • Syn: left-of-center, left-wing. [WordNet 1.5]

Definition of 'leftist'

From: GCIDE
  • leftist \leftist\ n. a person who belongs to the political left.
  • Syn: socialist, collectivist, left-winger. [WordNet 1.5]