psycho

noun
psy·​cho | \ˈsī-(ˌ)kō \
plural psychos

Definition of psycho 

: a deranged or psychopathic person not used technically

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Other Words from psycho

psycho adjective

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 on the Web

Clinicians monitor patient stress through brain imaging and psycho-physiological assessments. Priscella Vega, latimes.com, "OC Fair virtual reality exhibit provides window into PTSD treatment," 11 July 2018 For a full two months, Diana pretended everything was normal, that her little brother wasn’t trapped in an abusive psycho-spiritual prison by a misogynistic scam artist. Amelia Harnish, refinery29.com, ""At This Point We Are In Despair": One Woman's Quest To Bring Her Brother Home From NXIVM," 29 June 2018 The series, which is allegedly a horror psycho-thriller, takes place in the titular Castle Rock, Maine, continuing this summer’s theme of Fraught Settings As Veritable TV Characters. refinery29.com, "Handmaid’s Tale," 13 July 2018 Hunter had romances with psycho actor Anthony Perkins and figure skater Robbie Robertson. Sasha Savitsky, Fox News, "'Damn Yankees!' star Tab Hunter dead at 86," 10 July 2018 The first few seconds of screen time belong to the story’s stone-cold psycho (Rotimi Paul, truly scary as Skeletor). Michael Phillips, kansascity, "In ‘First Purge’ prequel, there’s no avoiding politics or buckets of blood," 3 July 2018 During our 13-mile lap, we were passed only once, by a psycho on a bullet bike. Ezra Dyer, Popular Mechanics, "Why You Should Always Buy the Second-Fastest Car," 1 June 2018 Even in stories in which the impostor is an unmitigated psycho, such as the aforementioned Tom Ripley, something in us wants him to get away with it. Sadie Stein, Town & Country, "Why Are Rich People So Easily Fooled?," 26 Feb. 2017 Billy Burke, as the criminal leader, plays it a tad too cool while commanding a garden-variety group that includes the psycho dude and the good-hearted guy, who are sure to be at each other’s throat. Ryan Engle, New York Times, "Review: ‘Breaking In’ Finds Gabrielle Union as a Mother on a Mission," 10 May 2018

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.

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First Known Use of psycho

1942, in the meaning defined above

History and Etymology for psycho

short for psychopath

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Time Traveler for psycho

The first known use of psycho was in 1942

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More Definitions for psycho

psycho

noun

English Language Learners Definition of psycho

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

psycho

noun
psy·​cho | \ˈsī-(ˌ)kō \
plural psychos

Medical Definition of psycho 

: a deranged or psychopathic individual not used technically

Other Words from psycho

psycho adjective

More from Merriam-Webster on psycho

Thesaurus: All synonyms and antonyms for psycho

Britannica English: Translation of psycho for Arabic Speakers

Comments on psycho

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