Definition of ponerology in US English:

ponerology

noun

  • A theory or doctrine of evil.

Origin

Late 19th century. From ancient Greek πονηρός oppressed, injurious, evil (from πόνος work, labour (from an ablaut variant ( o -grade) of the root of πένεσθαι to labour: see -penia) + -ηρος, extended form of -ρος, suffix forming adjectives) + -logy.

Pronunciation

ponerology

/ˌpɒnəˈrɒlədʒi/