antisocial personality disorder noun
: a personality disorder that is characterized by antisocial behavior exhibiting pervasive disregard for and violation of the rights, feelings, and safety of others starting in childhood or the early teenage years and continuing into adulthood, that is often marked by a lack of remorse for having hurt, mistreated, or stolen from others, and that in practice is often difficult to diagnose because it is confounded with disorders in which drug addiction or substance abuse is a factor—called also psychopathic personality disorder
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