to deprive (a person or persons) of spirit, courage, discipline, etc.; destroy the morale of

The continuous barrage demoralized the infantry.

to throw (a person) into disorder or confusion; bewilder

We were so demoralized by that one wrong turn that we were lost for hours.

to corrupt or undermine the morals of.

verb

boost , comfort , encourage , uplift , make good , moralize , purify

verb

abash , blow out , blow up , chill , cripple , damp , dampen , daunt , debilitate , deject , disarrange , disconcert , discountenance , discourage , dishearten , disorder , disorganize , disparage , dispirit , disturb , embarrass , enfeeble , get to * , jumble , muddle , nonplus , psych out , rattle , sap , send up * , shake , snarl , take apart , take steam out , undermine , unglue , unman , unsettle , unzip , upset , weaken , bastardize , bestialize , brutalize , debase , debauch , deprave , lower , vitiate , warp , animalize , canker , pervert , stain , corrupt , depress , unnerve