'Barbarity' definitions:

Definition of 'barbarity'

From: WordNet
noun
The quality of being shockingly cruel and inhumane [syn: atrocity, atrociousness, barbarity, barbarousness, heinousness]
noun
A brutal barbarous savage act [syn: brutality, barbarity, barbarism, savagery]

Definition of 'Barbarity'

From: GCIDE
  • Barbarity \Bar*bar"i*ty\, n.; pl. Barbarities. [From Barbarous.]
  • 1. The state or manner of a barbarian; lack of civilization. [1913 Webster]
  • 2. Cruelty; ferociousness; inhumanity. [1913 Webster]
  • Treating Christians with a barbarity which would have shocked the very Moslem. --Macaulay. [1913 Webster]
  • 3. A barbarous or cruel act. [1913 Webster]
  • 4. Barbarism; impurity of speech. [Obs.] --Swift. [1913 Webster]