psychopath
noun/ˈsaɪkoʊpæθ/
Frequency rank: #9,393 of 20,003 in the WORDED list (wordfreq data)
Meaning
a person with a mental disorder characterized by persistent antisocial behavior, lack of empathy, and absence of guilt.

Example sentence
Investigators discovered that the serial killer was a heartless psychopath who felt no remorse for his crimes.
Synonyms & related words
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