The DICT Development Group

  Demoralize \De*mor"al*ize\, v. t. [imp. & p. p. Demoralized;
     p. pr. & vb. n. Demoralizing.] [F. d['e]moraliser; pref.
     d['e]- (L. dis- or de) + moraliser. See Moralize.]
     To corrupt or undermine in morals; to destroy or lessen the
     effect of moral principles on; to render corrupt or
     untrustworthy in morals, in discipline, in courage, spirit,
     etc.; to weaken in spirit or efficiency.
     [1913 Webster]
  
           The demoralizing example of profligate power and
           prosperous crime.                        --Walsh.
     [1913 Webster]
  
           The vices of the nobility had demoralized the army.
                                                    --Bancroft.
     [1913 Webster]

  demoralize
      v 1: corrupt morally or by intemperance or sensuality; "debauch
           the young people with wine and women"; "Socrates was
           accused of corrupting young men"; "Do school counselors
           subvert young children?"; "corrupt the morals" [syn:
           corrupt, pervert, subvert, demoralize,
           demoralise, debauch, debase, profane, vitiate,
           deprave, misdirect]
      2: lower someone's spirits; make downhearted; "These news
         depressed her"; "The bad state of her child's health
         demoralizes her" [syn: depress, deject, cast down, get
         down, dismay, dispirit, demoralize, demoralise]
         [ant: elate, intoxicate, lift up, pick up, uplift]
      3: confuse or put into disorder; "the boss's behavior
         demoralized everyone in the office"

  75 Moby Thesaurus words for "demoralize":
     agitate, bastardize, bewilder, bludgeon, bluster, bluster out of,
     browbeat, brutalize, bulldoze, bully, chill, confuse, corrupt, cow,
     cripple, crush, damp, dampen, dash, daunt, debase, debauch,
     debilitate, defeat, defile, deject, deprave, depress, devitalize,
     disarrange, discomfit, disconcert, discourage, dishearten,
     disorder, disorganize, disparage, dispirit, disturb, dragoon,
     enervate, fluster, harass, hector, huff, intimidate, jumble,
     knock down, muddle, overcome, perturb, pervert, prostrate,
     psych out, rattle, shake, shake up, snarl, soil, subdue, sully,
     systematically terrorize, terrorize, threaten, unbrace, undermine,
     undo, unman, unnerve, unsettle, unstring, upset, vitiate, warp,
     weaken