A conflict between two or more people due to a fundamental incompatibility in their personalities.

plural of personality clash

(psychiatry) A personality affected by schizotypal personality disorder.

plural of multiple personality disorder

(psychology, informal, dated) Dissociative identity disorder.

(psychiatry) A mental disorder characterized by paranoia and a pervasive, long-standing suspiciousness and generalized mistrust of others.

plural of borderline personality disorder

(psychology) A personality disorder marked by antisocial behavior, a pervasive pattern of disregard for and violation of the rights of others that begins in childhood or early adolescence and continues into adulthood.

(psychology) A personality disorder characterized largely by exaggerated emotions, and inappropriate attention-seeking and seductive behavior typically caused by undue amounts of trauma and related stress during childhood.

(psychiatry) A personality disorder characterized largely by an overinflated sense of self-importance typically caused by unbalanced parental valuation during childhood.