Definition of "multiple personality" []

• A highly disputed psychological disorder in which a person exhibits two or more disassociated personalities, each functioning as a distinct entity. Also called dissociative disorder. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "During the late 1980s, when trauma became a popular cause for many syndromes including multiple personality disorder, complicated grief was renamed traumatic grief and conceptually likened to posttraumatic stress disorder."
• "In Mundania, multiple personality disorder-MPD-usually stems from some difficult event in childhood, such as sexual abuse. ""