personality disorder

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personality disorder (plural personality disorders)

  1. (psychiatry) Any of a class of mental disorders characterized by ongoing rigid patterns of thought and action.
    • 1987, Ann Rule, page 442 of Small Sacrifices,
      Insanity can be cured. Personality disorders are so inextricably entwined with the heart and mind and soul that it is well-nigh impossible to excise them. It would be far less difficult to eradicate Diane's giant rose tattoo than it would be to change her perception of herself and others.