ScienceAugust 15, 2026

psychopathic

SY-kuh-PATH-ik

Definition

Relating to or characterized by a personality disorder marked by impulsivity, callousness, and a lack of empathy or remorse.

Etymology

Derived from the Greek 'psyche' (soul or mind) and 'pathos' (suffering or disease). It entered the English language in the late 19th century to describe individuals showing a persistent lack of moral or social regulation.

In the news

In the article, the word describes specific personality traits being studied to see if they correlate with the composition of oral and gut bacteria. It serves to define the behavioral characteristics researchers are attempting to link to biological markers.

Study links psychopathy to bacteria

Read the full article ↗

The Portugal News

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