psychopathy
noun
psy·chop·a·thy
sī-ˈkä-pə-thē 
plural psychopathies
: mental disorder especially when marked by egocentric and antisocial activity, a lack of remorse for one's actions, an absence of empathy for others, and often criminal tendencies
Examples of psychopathy in a Sentence
Recent Examples on the Web
According to Apostolou’s study, individuals high in psychopathy were significantly more likely to be caught cheating.
—
Mark Travers, Forbes.com, 19 July 2025
Pidgeon also gives a go-for-broke performance of psychopathy that makes her heir apparent to Rebecca Gayheart in C-tier ’90s slasher Urban Legend.
—Louis Peitzman, Vulture, 17 July 2025
This suggests that the parts of the brain involved in controlling behavior might not be working as well in people with psychopathy.
—Maria Morava, MSNBC Newsweek, 30 June 2025
And finally, some evidence suggests that psychopathy and aggression are associated with a smaller, less functional amygdala.
—Tobias Kalenscher, Scientific American, 13 June 2025
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Mark Travers, Forbes.com, 19 July 2025
Pidgeon also gives a go-for-broke performance of psychopathy that makes her heir apparent to Rebecca Gayheart in C-tier ’90s slasher Urban Legend.
—Louis Peitzman, Vulture, 17 July 2025
This suggests that the parts of the brain involved in controlling behavior might not be working as well in people with psychopathy.
—Maria Morava, MSNBC Newsweek, 30 June 2025
And finally, some evidence suggests that psychopathy and aggression are associated with a smaller, less functional amygdala.
—Tobias Kalenscher, Scientific American, 13 June 2025
See All Example Sentences for psychopathy
Cite this Entry
“Psychopathy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychopathy. Accessed 25 Jul. 2025.
Copy CitationMedical Definition
psychopathy
noun
psy·chop·a·thy
sī-ˈkäp-ə-thē
plural psychopathies
1
: mental disorder especially when marked by egocentric and antisocial activity, a lack of remorse for one's actions, an absence of empathy for others, and criminal tendencies
2
especially formerly
: antisocial personality
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