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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Examples of psychopath in a Sentence

declared that he was a dangerous psychopath who needed to be locked up
Recent Examples on the Web The most elite superhero group is called the Seven, headed up by Homelander (Starr), a truly violent and unstable psychopath disguised as the All-American hero, who mostly bullies his supe team into compliance. Jennifer Ouellette, Ars Technica, "Review: Don’t call it a comeback—The Boys returns better than ever in S2," 17 Oct. 2020 In fact, when Candace threatens to tell everyone that Joe is a complete psychopath, Love actually kills her to protect Joe (and reveals that's not the first person she's killed). Julyssa Lopez, Glamour, "You Season 3: Everything We Know So Far," 22 Oct. 2020 Was abolitionist John Brown a psychopath, a sinner or a saint? William Nash, Smithsonian Magazine, "‘The Good Lord Bird’ Paints a Different Portrait of Abolitionist John Brown," 5 Oct. 2020 Villanelle is just as outrageously unpredictable and charming (in a deadly psychopath way) as ever, with even more spectacularly outré outfits. Jennifer Ouellette, Ars Technica, "Family affairs: Everyone learns they can’t go home again in Killing Eve S3," 2 June 2020 Female psychopaths are a dime a dozen in the world of Killing Eve! Kat Rosenfield,, "Killing Eve recap: Mo assassins, mo problems," 25 May 2020 There are tons of stories like this that paint Jordan somewhere between the ultimate competitor and the ultimate psychopath. Dan Woike, Los Angeles Times, "‘The Last Dance’ shows how Michael Jordan created rivals to conquer," 8 May 2020 Is this person just a straight-up psychopath, or is there some larger justification? Christopher Rosa, Glamour, "Victoria Pedretti Explains That Wild Plot Twist in You Season 2," 27 Dec. 2019 Admittedly, these traits apply to many cinematic psychopaths, who always seem to draw the worst lessons from yesteryear. New York Times, "‘The Plagues of Breslau’ Review: Rage Against the Male Machine," 22 Apr. 2020

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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Time Traveler for psychopath

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The first known use of psychopath was in 1885

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Statistics for psychopath

Last Updated

17 Nov 2020

Cite this Entry

“Psychopath.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2020.

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More Definitions for psychopath


How to pronounce psychopath (audio)

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

More from Merriam-Webster on psychopath

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Nglish: Translation of psychopath for Spanish Speakers

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