The Collaborative International Dictionary of English v.0.48:

disfranchised \disfranchised\ adj.
   deprived of the rights of citizenship especially the right to
   vote. Opposite of enfranchised.

   Syn: disenfranchised, voteless.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Disfranchise \Dis*fran"chise\, v. t. [imp. & p. p.
   Disfranchised; p. pr. & vb. n. Disfranchising.] [Cf.
   Diffranchise.]
   To deprive of a franchise or chartered right; to dispossess
   of the rights of a citizen, or of a particular privilege, as
   of voting, holding office, etc.
   [1913 Webster]

         Sir William Fitzwilliam was disfranchised. --Fabyan
                                                  (1509).
   [1913 Webster]

         He was partially disfranchised so as to be made
         incapable of taking part in public affairs.
                                                  --Thirlwall.
   [1913 Webster]

WordNet (r) 3.0 (2006):

disfranchised
    adj 1: deprived of the rights of citizenship especially the
           right to vote; "labor was voiceless"; "disenfrenchised
           masses took to the streets" [syn: disenfranchised,
           disfranchised, voiceless, voteless] [ant:
           enfranchised]