psychopathic
adjective/ˌsaɪkəˈpæθɪk/
/ˌsaɪkəˈpæθɪk/
(psychology)- suffering from or caused by a serious personality disorder that means somebody does not care about other people's feelings, does not feel sorry when they have done something bad, and may want to be violent or cruel towards others
- a psychopathic killer/disorder
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psychopathic