/ Dictionary / Index O oblivious: Meaning and Definition of Find definitions for: ob•liv•i•ous Pronunciation: (u-bliv'ē-us), [key] — adj. unmindful; unconscious; unaware (usually fol. by of or to): She was oblivious of his admiration. forgetful; without remembrance or memory: oblivious of my former failure. inducing forgetfulness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oblivious (Thesaurus) oblivion oblong Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language