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
Recent Examples of psycho from the Web
Consider Mahir, psycho ex-girlfriend, MasterCard parody ads, so on and so forth.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'psycho'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of psycho
short for psychopath
First Known Use: 1942See Words from the same year
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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