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English definition of “psychopath”

psychopath

noun [C]     /ˈsaɪkəʊpæθ/
someone who is very mentally ill and usually dangerous Of unsound mindStupid and sillyMiscellaneous criminals
psychopathic     /ˌsaɪkəʊˈpæθɪk/ adjective a psychopathic killer
(Definition of psychopath noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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