psycho

play
noun psy·cho \ˈsī-(ˌ)kō\

Definition of psycho

plural

psychos

  1. :  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

Origin and Etymology of psycho

short for psychopath


First Known Use: 1942


PSYCHO Defined for English Language Learners

psycho

play
noun psy·cho \ˈsī-(ˌ)kō\

Definition of psycho for English Language Learners

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


Medical Dictionary

psycho

play
noun psy·cho \ˈsī-(ˌ)kō\

Medical Definition of psycho

plural

psychos

  1. :  a deranged or psychopathic individual—not used technically

psycho

adjective

Learn More about psycho


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a person who is a bore or nuisance

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