Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: Greek
Origin: psych- ( PSYCH-) + pathos 'suffering'

psychopath

noun
     
psy‧cho‧path [countable]
MP someone who has a serious and permanent mental illness that makes them behave in a violent or criminal way [↪ sociopath]
psychopathic adjective:
a psychopathic personality
psychopathically adverb

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