'Beastliness' definitions:

Definition of 'beastliness'

(from WordNet)
noun
The quality of being deliberately mean [syn: beastliness, meanness]
noun
Unpleasant nastiness; used especially of nasty weather

Definition of 'Beastliness'

From: GCIDE
  • Beastliness \Beast"li*ness\, n. The state or quality of being beastly. [1913 Webster]