WordReference Random House Unabridged Dictionary of American English © 2026
mul′tiple personal′ity, [Psychiatry.]
  1. Psychiatrya rare disorder in which an individual displays several functionally dissociated personalities, each of a complexity comparable to that of a normal individual. Also called split personality. 
  • 1900–05

'multiple personality' also found in these entries (note: many are not synonyms or translations):
dissociative disorder - dissociative identity disorder - dual personality - multiple personality disorder - schizoid - split personality

Forum discussions with the word(s) "multiple personality" in the title:


Look up "multiple personality" at Merriam-Webster
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