Medical Dictionary

borderline personality disorder

noun

medical Definition of borderline personality disorder

:a disordered behavior pattern that is marked by unstable, intense emotions and mood with symptoms including instability in interpersonal relationships and self-image, fears of abandonment, and impulsive or unpredictable behavior and that has an onset during adolescence or early adulthood
  • Borderline personality disorder afflicts an estimated 1.3 percent of U.S. adults.
  • —Bruce BowerScience News16 June 2007
abbreviation BPD

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