Personality disorder—trait specified (PDTS): A personality disorder currently undergoing study for possible inclusion in a future revision of DSM-5. Individuals would receive this diagnosis if they display significant impairment in functioning as a result of one or more very problematic traits.

Antisocial personality disorder: A personality disorder marked by a general pattern of disregard for and violation of other people’s rights.

Borderline personality disorder: A personality disorder characterized by repeated instability in interpersonal relationships, self-image, and mood and by impulsive behavior.

Dependent personality disorder: A personality disorder characterized by a pattern of clinging and obedience, fear of separation, and an ongoing need to be taken care of.

Avoidant personality disorder: A personality disorder characterized by consistent discomfort and restraint in social situations, overwhelming feelings of inadequacy, and extreme sensitivity to negative evaluation.

Histrionic personality disorder: A personality disorder in which an individual displays a pattern of excessive emotionality and attention seeking. Once called hysterical personality disorder.

Narcissistic personality disorder: A personality disorder marked by a broad pattern of grandiosity, need for admiration, and lack of empathy.

Schizoid personality disorder: A personality disorder in which a person persistently avoids social relationships and shows little emotional expression.

Obsessive-compulsive personality disorder: A personality disorder marked by such an intense focus on orderliness, perfectionism, and control that the person loses flexibility, openness, and efficiency.

Schizotypal personality disorder: A personality disorder characterized by extreme discomfort in close relationships, odd forms of thinking and perceiving, and behavioral eccentricities.

Paranoid personality disorder: A personality disorder marked by a pattern of extreme distrust and suspiciousness of others.

Personality disorder: An enduring, rigid pattern of inner experience and outward behavior that repeatedly impairs a person’s sense of self, emotional experiences, goals, capacity for empathy, and/or capacity for intimacy.