# ponerology

> English word · Noun

## Definitions
1. The study of evil.

## Etymology
From Ancient Greek πονηρός (ponērós, “grievous, knavish”) + -ology; compare Ancient Greek πονηρολογίᾱ (ponērologíā, “bad reasoning”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ponerology