psycho noun definition, meaning - what is psycho noun in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “psycho”

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psycho

noun [C] uk   /ˈsaɪ.kəʊ/  us   /-koʊ/ (plural psychos) informal
someone who is crazy and frightening: The man's a psycho.
psycho
adjective uk   us   informal
He suddenly went psycho and started shooting in all directions.
Translations of “psycho”
in Chinese (Traditional) 心理的,精神的…
in Chinese (Simplified) 心理的,精神的…
(Definition of psycho noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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