/ Dictionary / Index A amnesia: Meaning and Definition of Find definitions for: am•ne•sia Pronunciation: (am-nē'zhu), [key] — n. loss of a large block of interrelated memories; complete or partial loss of memory caused by brain injury, shock, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amnesia (Thesaurus) Amn amnesiac Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language