psychopath

Từ điển WordNet v3.1 - WordNet Dictionary

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a person with an antisocial personality disorder ('psychopath' was once widely used but has now been superseded by 'sociopath') (Freq. 1)
• Syn:
sociopath
• Derivationally related forms:
sociopathic (for: sociopath)
• Hypernyms:
neurotic, psychoneurotic, mental case