Meaning of “psychopath” - Learner’s Dictionary

psychopath

noun [ C ] us uk /ˈsaɪkəʊpæθ/

someone who is very mentally ill and usually dangerous

psychopathic adjective us uk /ˌsaɪkəʊˈpæθɪk/

a psychopathic killer

(Definition of “psychopath” from the Cambridge Learner’s Dictionary © Cambridge University Press)