psychopathic
US /ˌsaɪ.kəˈpæθ.ɪk/
UK /ˌsaɪ.kəˈpæθ.ɪk/

1.
psicopático
relating to or suffering from psychopathy; mentally unstable or deranged, especially with a tendency toward antisocial or violent behavior.
:
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The character in the movie displayed classic psychopathic traits.
O personagem no filme exibia traços psicopáticos clássicos.
•
His behavior was described as extremely psychopathic.
Seu comportamento foi descrito como extremamente psicopático.