sociopathic personality n 1: a personality disorder characterized by amorality and lack of affect; capable of violent acts without guilt feelings (`psychopathic personality' was once widely used but was superseded by `sociopathic personality' to indicate the social aspects of the disorder, but now `antisocial personality disorder' is the preferred term) [syn: {antisocial personality disorder}, {sociopathic personality}, {psychopathic personality}]