a 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.
Origin of multiple personality
First recorded in 1900–05
Words nearby multiple personality
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for multiple personality
psychiatry a mental disorder in which an individual's personality appears to have become separated into two or more distinct personalities, each with its own complex organizationNontechnical name: split personality
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012