noun
someone with a sociopathic personality; a person with an antisocial personality disorder (`psychopath' was once widely used but has now been superseded by `sociopath')
• Syn: ↑psychopath
• Derivationally related forms: ↑sociopathic
• Hypernyms: ↑neurotic, ↑psychoneurotic, ↑mental case
Useful english dictionary. 2012.