psy·​cho | \ ˈsī-(ˌ)kō How to pronounce psycho (audio) \
plural psychos

Definition of psycho

: a deranged or psychopathic person not used technically

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 There’s no battered babysitter, no psycho stalker, no trope-y ’80s clichés in sight—except for those being completely slashed and reimagined by their director. Deanna Janes, Harper's BAZAAR, 16 May 2022 Affleck smile-grimacing his way through an everyday rich guy/closet-psycho routine for two hours also counts for… something. K. Austin Collins, Rolling Stone, 18 Mar. 2022 Also complicating the play’s psycho-social dynamics is image-conscious, self-actualizing Davey (a riveting Brandon J. Dirden), Darren’s morally righteous baseball bud and a trigger that leads to tragic consequences. Frank Rizzo, Variety, 4 Apr. 2022 In the name of psycho-thermal research, Gómez Milán has put study volunteers into tense imaginary situations. Jessica Wapner, The New Yorker, 18 Feb. 2022 Another, a young psycho who calls himself ZoomGnat, has been up for two days straight on Adderall and Red Bull and has driven from Texas without stopping. Paul Solotaroff, Rolling Stone, 30 Jan. 2022 The Miz became a total Hellraiser, JoJo Siwa killed as a sinister Pennywise clown and Cody Rigsby went psycho as Patrick Bateman. Bryan Alexander, USA TODAY, 27 Oct. 2021 Among them were avowed white supremacists, neoNazis, anti-government nuts, psycho militia groups and other far-right extremists. Elaine Ayala, San Antonio Express-News, 7 Feb. 2022 For more than half a century, the 73-year-old Rock and Roll Hall of Fame inductee has spent up to six months a year on the road, bringing his quintessential brand of rock psycho-drama to fiery fans. Kirby Adams, The Courier-Journal, 25 Jan. 2022 See More

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.

First Known Use of psycho

1942, in the meaning defined above

History and Etymology for psycho

short for psychopath

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Last Updated

27 May 2022

Cite this Entry

“Psycho.” Dictionary, Merriam-Webster, Accessed 27 May. 2022.

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More from Merriam-Webster on psycho

Britannica English: Translation of psycho for Arabic Speakers


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