Source : Webster's Revised Unabridged Dictionary (1913)

Disenfranchise \Dis`en*fran"chise\, v. t.
   To disfranchise; to deprive of the rights of a citizen. --
   {Dis`en*fran"chise*ment}, n.

Source : WordNet®

disenfranchise
     v : deprive of voting rights [syn: {disfranchise}] [ant: {enfranchise}]