ponerologyEtymologyFrom Ancient Greek πονηρός (ponērós, “grievous, knavish”) + -ology; compare Ancient Greek πονηρολογίᾱ (ponērologíā, “bad reasoning”).ponerology means The study of evil. Lexicurio rates it Rare gem — a strength score of 73 out of 100.nounThe study of evil.“Christian ponerology is divided into two leading sections, that of sin or the bad participating in guilt, and that of death or the bad which has participated in the same.”