/ Dictionary / Index O obliteration: Meaning and Definition of Find definitions for: ob•lit•er•a•tion Pronunciation: (u-blit"u-rā'shun), [key] — n. the act of obliterating or the state of being obliterated. the removal of a part as a result of disease or surgery. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: obliteration (Thesaurus) obliterate oblivescence Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language