The Collaborative International Dictionary of English v.0.48:

Disaffected \Dis`af*fect"ed\, a.
   Alienated in feeling; not wholly loyal. --J. H. Newman. --
   Dis`af*fect"ed*ly, adv. -- Dis`af*fect"ed*ness, n.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Disaffect \Dis`af*fect"\, v. t. [imp. & p. p. Disaffected; p.
   pr. & vb. n. Disaffecting.]
   1. To alienate or diminish the affection of; to make
      unfriendly or less friendly; to fill with discontent and
      unfriendliness.
      [1913 Webster]

            They had attempted to disaffect and discontent his
            majesty's late army.                  --Clarendon.
      [1913 Webster]

   2. To disturb the functions of; to disorder.
      [1913 Webster]

            It disaffects the bowels.             --Hammond.
      [1913 Webster]

   3. To lack affection for; to be alienated from, or indisposed
      toward; to dislike. [Obs.] --Bp. Hall.
      [1913 Webster]

WordNet (r) 3.0 (2006):

disaffected
    adj 1: discontented as toward authority [syn: disaffected,
           ill-affected, malcontent, rebellious]

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "disaffected":
   alienated, allergic, averse, derelict, disenchanted, disinclined,
   disloyal, displeased, disunited, divided, estranged, faithless,
   false, fickle, hostile, inconstant, irreconcilable, not charmed,
   not true to, of bad faith, put off, recreant, separated, torn,
   trothless, unfaithful, unfriendly, unloyal, unsteadfast, untrue