Antisocial personality disorder refers to a disorder characterized by a failure to conform to standards of decency ; repeated lying and stealing; a failure to sustain lasting, loving relationships; low tolerance of boredom; and a complete lack of guilt.
Other /More definition:
antisocial personality disorder refers to Cluster B (dramatic, emotional, or erratic) personality disorder involving a pervasive pattern of disregard for and violation of the rights of others. Similar to the non-DSM-IV-TR label psychopathy but with greater emphasis on overt behavior than on personality traits.
Lexicon of Psychology - Terms, Treatments, Biographies,