psycho

noun psy·cho \ ˈsī-(ˌ)kō \
|Updated on: 20 Jun 2018

Definition of psycho

plural psychos
: a deranged or psychopathic person not used technically

psycho

adjective

Examples of psycho in a Sentence

  1. He plays a drug-dealing psycho in the movie.

  2. a story based on a real-life psycho who had serious mother-son issues

Recent Examples of psycho from the Web

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


PSYCHO Defined for English Language Learners

psycho

Definition of psycho for English Language Learners

  • : a person who is mentally ill and often dangerous or violent


Medical Dictionary

psycho

noun psy·cho \ ˈsī-(ˌ)kō \

medical Definition of psycho

plural psychos
: a deranged or psychopathic individual not used technically

psycho

adjective

Learn More about psycho


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