/ Dictionary / Index D dysmnesia: Meaning and Definition of Find definitions for: dys•mne•sia Pronunciation: (dis-nē'zhu, -zhē-u, -zē-u), [key] — n. Psychiatry. an impairment of memory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dysmetria dysosmia Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language