Source : Webster's Revised Unabridged Dictionary (1913)

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.

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

   2. To disturb the functions of; to disorder.

            It disaffects the bowels.             --Hammond.

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

Source : WordNet®

disaffect
     v : arouse hostility or indifference in where there had formerly
         been love, affection, or friendliness [syn: {estrange}, {alienate},
          {alien}]