1. relating to or characterized by psychopathy; showing a lack of empathy, remorse, or normal emotional responses
Usage: clinical psychology
2. extremely cruel or violent in behavior
Usage: informal

Examples

• The psychiatrist diagnosed him with psychopathic personality disorder.
• His psychopathic behavior showed no regard for others’ feelings.
• The documentary explored the minds of psychopathic criminals.
• She displayed psychopathic tendencies from an early age.
• The killer’s psychopathic nature made him particularly dangerous.
• Researchers study psychopathic traits in criminal populations.