- a rare disorder in which an individual displays several functionally dissociated personalities, each of a complexity comparable to that of a normal individual.
Origin of multiple personality
First recorded in 1900–05
Also called split personality.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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