Sociopath is a person who is unable to tell right from wrong and has extreme antisocial tendencies.
(noun)A murderer who doesn't really care that his actions are wrong is an example of a sociopath.
See sociopath in Webster's New World College Dictionary
noun
Origin: socio- + (psycho)path
Related Forms:
See sociopath in American Heritage Dictionary 4
noun
Related Forms:
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