secessionist

from WordNet (r) 3.0 (2006)

secessionist
    n 1: an advocate of secessionism

from The Collaborative International Dictionary of English v.0.48

Secessionist \Se*ces"sion*ist\, n.
   1. One who upholds secession.
      [1913 Webster]

   2. (U.S. Hist.) One who holds to the belief that a State has
      the right to separate from the Union at its will.
      [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

38 Moby Thesaurus words for "secessionist":
      abjuratory, apostate, backslider, bolter, breakaway,
      collaborationist, collaborator, convert, defector, deserter,
      fifth columnist, mugwump, mugwumpian, mugwumpish, proselyte,
      quisling, recidivist, recreant, renegade, renegado, renegate,
      renunciative, renunciatory, repudiative, repudiatory, reversionist,
      revocatory, runagate, schismatic, seceder, separatist,
      strikebreaker, tergiversant, tergiversator, traitor, turnabout,
      turncoat, turntail

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