/ Dictionary / Index D demoralize: Meaning and Definition of Find definitions for: de•mor•al•ize Pronunciation: (di-môr'u-līz", -mor'-), [key] — -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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: demoralize (Thesaurus) demonstrator De Morgan Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language