A person with a personality disorder indicated by a pattern of lying, cunning, manipulating, glibness, exploiting, heedlessness, arrogance, delusions of grandeur, sexual promiscuity, low self-control, disregard for morality, lack of acceptance of responsibility, callousness, and lack of empathy and remorse. Such an individual may be especially prone to violent and criminal offenses
A person who willfully does damage without remorse "Such individuals are insensitive to other's needs, and unable to anticipate the consequences of their behavior characterized by absence of guilt and anxiety normally accompanying an antisocial act " New Columbia Encyclopedia 4th edition, 1975
A person with a personality disorder indicated by a pattern of lying, exploitiveness, heedlessness, arrogance, sexual promiscuity, low self-control, and lack of empathy and remorse. Such an individual may be especially prone to violent and criminal offenses
someone with a sociopathic personality; a person with an antisocial personality disorder (`psychopath' was once widely used but has now been superseded by `sociopath')
A person with a mental disease, usually characterized by a mental or emotional instability, due to a defect in character or personality, that approaches but falls short of insanity
A psychopath is someone who has serious mental problems and who may act in a violent way without feeling sorry for what they have done. She was abducted by a dangerous psychopath. someone who has a serious and permanent mental illness that makes them behave in a violent or criminal way sociopath (psych- ( PSYCH-) + pathos )