/ Dictionary / Index D dissociative disorder: Meaning and Definition of Find definitions for: disso'ciative disor'der Pronunciation: [key] — Psychiatry. Psychiatry. a mental disorder, as multiple personality, characterized by sudden temporary alteration in consciousness, identity, or motor behavior. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dissociation dissogeny Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language