evilness Meaning, Definition & Usage

  1. noun the quality of being morally wrong in principle or practice
    evil.
    • attempts to explain the origin of evil in the world

WordNet

E"vil*ness noun
Definitions
  1. The condition or quality of being evil; badness; viciousness; malignity; vileness; as, evilness of heart; the evilness of sin.

Webster 1913