psy·​cho·​path | \ ˈsī-kə-ˌpath How to pronounce psychopath (audio) , ˈsī-kō-\

Definition of psychopath

: a mentally unstable person especially : a person having an egocentric and antisocial personality marked by a lack of remorse for one's actions, an absence of empathy for others, and often criminal tendencies

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Synonyms for psychopath


bug, crackbrain, crazy, fool, fruitcake, head case, loon, loony, lunatic, maniac, nut, nutcase, nutter [British slang], psycho, sickie, sicko, wacko (also whacko)

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Examples of psychopath in a Sentence

declared that he was a dangerous psychopath who needed to be locked up

Recent Examples on the Web

Nobody is entirely good or evil—with the possible exception of Starlight (Erin Moriarty), the closest thing to a genuine superhero in the series, and Homelander (Antony Starr), a genuine psychopath. Jennifer Ouellette, Ars Technica, "Review: The Boys is the perfect therapy for chronic superhero fatigue," 9 Aug. 2019 There are ample data points demonstrating that people with low empathy, even psychopaths, can turn on their care when properly motivated to do so. K.n.c., The Economist, "How to increase empathy and unite society," 7 June 2019 From wonder women to super men, here’s a spotlight of some of the heroes, psychopaths, pets and aliens making their way around the convention center and the local Gaslamp area. Los Angeles Times, "The faces of cosplay at Comic-Con 2019," 18 July 2019 Michel Salgado - Described by former Real Madrid teammate Steve McManaman as a 'genuine psychopath', the right back was a near ever-present during Los Blancos famed Galacticos era., "Vicente Del Bosque: The Moustachioed Mister's All-Time Best XI," 5 July 2019 Not by a long shot, but Jackie is a great role for Bacon, who has played all kinds of characters in his career: heroes, villains, jerks, psychopaths, rebels, conformists, cops and robbers. Mark Dawidziak,, "‘City On a Hill’ gets off to slow start but shows great potential," 16 June 2019 When Jessica crosses paths with a highly intelligent psychopath, she and Trish must repair their fractured relationship and team up to take him down. Chuck Barney, The Mercury News, "TV this week: ‘Big Little Lies,’ ‘Claws’ and ‘Pose’ return," 9 June 2019 Billie Lourd: Gigi definitely seems like a psychopath. Olivia Fleming, Harper's BAZAAR, "The Booksmart Cast Opens Up About Porn, the Patriarchy, and the Problem of Likability," 25 May 2019 There is the undeniable draw of international assassins, psychopaths, and intelligence agencies—but frankly television in that vein can often end up feeling derivative, or predictable. Chloe Foussianes, Town & Country, "Killing Eve's Fiona Shaw Knows Which Side Carolyn Martens Is On. She Knows a Lot, Actually.," 5 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'psychopath.' 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 psychopath

1885, in the meaning defined above

History and Etymology for psychopath

International Scientific Vocabulary

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Statistics for psychopath

Last Updated

1 Sep 2019

Look-up Popularity

Time Traveler for psychopath

The first known use of psychopath was in 1885

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More Definitions for psychopath



English Language Learners Definition of psychopath

: a person who is mentally ill, who does not care about other people, and who is usually dangerous or violent


psy·​cho·​path | \ ˈsī-kə-ˌpath How to pronounce psychopath (audio) \

Medical Definition of psychopath

1 : a person having an egocentric and antisocial personality marked by a lack of remorse for one's actions, an absence of empathy for others, and often criminal tendencies
2 formerly : a person with antisocial personality disorder

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More from Merriam-Webster on psychopath

Rhyming Dictionary: Words that rhyme with psychopath

Thesaurus: All synonyms and antonyms for psychopath

Spanish Central: Translation of psychopath

Nglish: Translation of psychopath for Spanish Speakers

Comments on psychopath

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to make a temporary encampment

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