'Evilness' definitions:

Definition of 'evilness'

From: WordNet
noun
The quality of being morally wrong in principle or practice; "attempts to explain the origin of evil in the world" [syn: evil, evilness] [ant: good, goodness]

Definition of 'Evilness'

From: GCIDE
  • Evilness \E"vil*ness\, n. The condition or quality of being evil; badness; viciousness; malignity; vileness; as, evilness of heart; the evilness of sin. [1913 Webster]