WordReference Random House Learner's Dictionary of American English © 2015
to deprive (someone) of spirit, courage, or discipline; destroy the morale of:The terrible defeat demoralized the army.
de•mor•al•ized,adj.: The demoralized army trudged home after the defeat.
de•mor•al•iz•ing,adj.: suffered a demoralizing defeat.See -mor-.
v.t., -ized, -iz•ing.
- 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.
- French démoraliser. See de-, moral, -ize