psy·cho·path | \ˈsī-kə-ˌpath, ˈsī-kō-\

Definition of psychopath 

: a mentally ill or unstable person especially : a person affected with antisocial personality disorder

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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

Michael’s violent temper and lack of social skills had gotten him pegged as a psychopath long before last Monday. Chicago Tribune,, "Algren Award finalist: "Lost Causes" by Dana Berube," 2 June 2018 Killing 8-year-old April Tinsley wasn't enough for a psychopath who continues to thwart justice in Fort Wayne. Vic Ryckaert, Indianapolis Star, "Indiana child killer who taunted police featured on Investigation Discovery," 13 July 2018 Her life has for too long been overshadowed by the tragedy orchestrated by a raging psychopath. Ale Russian,, "PEOPLE Explains: The Three Sharon Tate Movies Set for 50th Anniversary of Her Murder," 8 Mar. 2018 To continue reading this story, TRY IT NOW Print subscribers get a password for your existing account here Yes, there will always be jerks, criminals and psychopaths online, as in real life. Dwight Silverman, San Antonio Express-News, "How to be a good internet citizen," 3 July 2018 New York Times still raises that even thought that had nothing to do with nutbag Jared Loughner who was a psychopath. Fox News, "Kellyanne Conway on growing calls to abolish ICE," 30 June 2018 After all the number crunching, what was the top psychopath hotspot? Scott Berson, miamiherald, "D.C. is full of psychopaths, new study says. See where your state falls on the list," 19 June 2018 This is a terrific cast, and Day has a blast overplaying his psychopath, although a little goes a long way. Bill Goodykoontz, azcentral, "Busy 'Hotel Artemis' isn't worth visiting," 7 June 2018 The story and performances have gotten viewers rooting for both Eve and Villanelle, a psychopath who executes targets with a poison-filled hairpin and toxic perfume. John Jurgensen, WSJ, "In ‘Killing Eve,’ a Surprising Plot Builds an Audience," 21 May 2018

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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Last Updated

13 Oct 2018

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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 \

Medical Definition of psychopath 

: a mentally ill or unstable individual especially : a person having an antisocial personality

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