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Medical Dictionary

borderline personality disorder


Medical Definition of borderline personality disorder

  1. :  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 Bower, Science News, 16 June 2007>—abbreviation BPD

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having a blissful appearance

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