/ Dictionary / Index A appersonation: Meaning and Definition of Find definitions for: ap•per•son•a•tion Pronunciation: (a-pûr"su-nā'shun, u-pûr"-), [key] — n. Psychiatry. the unconscious assumption of the personality characteristics of another, usually well known, person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. apperception appertain Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language