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[sahy-kuh-path] /ˈsaɪ kəˌpæθ/
a person with a psychopathic personality, which manifests as amoral and antisocial behavior, lack of ability to love or establish meaningful personal relationships, extreme egocentricity, failure to learn from experience, etc.
Compare sociopath.
Origin of psychopath
First recorded in 1880-85; psycho- + -path Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for psychopath
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Historical Examples
  • For an accusation of physical coercion and threat of rape would be far less convincing from a psychopath.

British Dictionary definitions for psychopath


a person afflicted with a personality disorder characterized by a tendency to commit antisocial and sometimes violent acts and a failure to feel guilt for such acts Also called sociopath
Derived Forms
psychopathic, adjective
psychopathically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for psychopath

1885, in the criminal psychology sense, a back-formation from psychopathic.

The Daily Telegraph had, the other day, a long article commenting on a Russian woman who had murdered a little girl. A Dr. Balinsky prevailed upon the jury to give a verdict of acquittal, because she was a "psychopath." The Daily Telegraph regards this term as a new coinage, but it has been long known amongst Spiritualists, yet in another sense. ["The Medium and Daybreak," Jan. 16, 1885]
The case alluded to, and the means of acquittal, were briefly notorious in England and brought the word into currency in the modern sense.

Online Etymology Dictionary, © 2010 Douglas Harper
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psychopath in Medicine

psychopath psy·cho·path (sī'kə-pāth')
A person with an antisocial personality disorder, especially one manifested in perverted, criminal, or amoral behavior.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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psychopath in Culture
psychopath [(seye-kuh-path)]

A mentally unbalanced person who is inclined toward antisocial and criminal behavior. (Compare sociopath.)

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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