evilnessEtymologyFrom Middle English yvelnesse, from Old English yfelnyss; equivalent to evil + -ness.evilness means the quality or state of being evil. Lexicurio rates it Rare gem — a strength score of 84 out of 100.nounThe quality or state of being evil.“[…] they lament the evilness and malice of evil men, and pray God for the evil, that he will convert them from their evilness and malice, and so make them good of evil men.”