/ Dictionary / Index H hideous: Meaning and Definition of Find definitions for: hid•e•ous Pronunciation: (hid'ē-us), [key] — adj. horrible or frightful to the senses; repulsive; very ugly: a hideous monster. shocking or revolting to the moral sense: a hideous crime. distressing; appalling: the hideous expense of moving one's home to another city. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hideous (Thesaurus) hidebound hideout Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language