Wielki słownik angielsko-polski red. nacz D. Jemielniak, M. Miłkowski

(Noun) barbarzyństwo;

Wordnet angielsko-polski

(the quality of being shockingly cruel and inhumane)
barbarzyństwo
synonim: atrocity
synonim: atrociousness
synonim: barbarity
synonim: heinousness