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1. Destructive of morale and self-reliance
   "To me the whole trip was demoralizing";
   - demoralising [Brit], disheartening, dispiriting

1. Corrupt morally or by intemperance or sensuality
   "Socrates was accused of demoralizing young men";
   - corrupt, pervert, subvert, demoralise [Brit], debauch, debase, profane, vitiate, deprave, misdirect
    
2. Lower someone's spirits; make downhearted
   "The bad state of her child's health demoralizes her";
   - depress, deject, cast down, get down, dismay, dispirit, demoralise [Brit]
    
3. Confuse or put into disorder
   "the boss's behaviour demoralized everyone in the office";
   - demoralise [Brit]

See also: discouraging

Type of: alter, baffle, beat, bedevil, befuddle, bewilder, change, confound, confuse, discombobulate [informal], discourage, dumbfound, flummox, fox, frustrate, fuddle, get, gravel, modify, mystify, nonplus, perplex, pose, puzzle, stick, stupefy, throw, vex

Encyclopedia: Demoralizing