The Oxford Thesaurus An A-Z Dictionary of Synonyms - demoralizev.

1) dispirit, daunt, dishearten, discourage, defeat; weaken, cripple, enervate, devitalize, depress, subdue, crush: The party's crushing defeat in the election thoroughly demoralized its supporters. 2) corrupt, pervert, deprave, vitiate, debase, debauch: The committee consider him a demoralizing influence and insist he should resign. 3) bewilder, discomfit, unnerve, shake (up) , confuse, fluster, disconcert, unnerve, perturb, disturb, upset, Colloq rattle: The demonstrators were completely demoralized when arrested for loitering.