Definition of psycho
: a deranged or psychopathic person —not used technically
Examples of psycho in a sentence
He plays a drug-dealing psycho in the movie.
<a story based on a real-life psycho who had serious mother-son issues>
Origin and Etymology of psycho
short for psychopath
First Known Use: 1942
PSYCHO Defined for English Language Learners
Definition of psycho for English Language Learners
: a person who is mentally ill and often dangerous or violent
Seen and Heard
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