American English

Definition of psychopath noun from the Oxford Advanced American Dictionary

 

psychopath

 noun
noun
NAmE//ˈsaɪkəˌpæθ//
 
 
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a person suffering from a serious mental illness that causes them to behave in a violent way toward other people
psychopathic
 
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NAmE//ˌsaɪkəˈpæθɪk//
 
adjective a psychopathic disorder/killer
See the Oxford Advanced Learner's Dictionary entry: psychopath