any of a group of mental disorders characterized by deeply ingrained maladaptive patterns of behavior and personality style, which are usually recognizable as early as adolescence and are often lifelong in duration.
Are You Weird? Personality Idioms ExploredRead more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of personality disorder
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for personality disorder
psychiatry any of a group of mental disorders characterized by a permanent disposition to behave in ways causing suffering to oneself or others
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
Medicine definitions for personality disorder
Any of a group of disorders in which patterns of perceiving, relating to, and thinking about one's self and one's environment interfere with the long-term functioning of an individual, often manifested in deviant behavior and lifestyle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for personality disorder
[ pûr′sə-năl′ĭ-tē ]
Any of a group of psychiatric disorders in which a person's abnormal self-perception or ability to relate to others results in undesirable behaviors and interferes with normal social and emotional functioning.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.