/ Dictionary / Index O odious: Meaning and Definition of Find definitions for: o•di•ous Pronunciation: (ō'dē-us), [key] — adj. deserving or causing hatred; hateful; detestable. highly offensive; repugnant; disgusting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: odious (Thesaurus) Odin odium Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language