'Balefulness' definitions:

Definition of 'balefulness'

From: WordNet
noun
The quality or nature of being harmful or evil [syn: maleficence, mischief, balefulness] [ant: beneficence]

Definition of 'Balefulness'

From: GCIDE
  • Balefulness \Bale"ful*ness\, n. The quality or state of being baleful. [1913 Webster]