Meaning of bastardliness in English:

bastardliness

Pronunciation /ˈbɑːstədlɪnɪs/ /ˈbastədlɪnɪs/

noun

informal
  • The character or quality of being bastardly; wilfully cruel, callous, or unfeeling behaviour or conduct.

Origin

Mid 17th century (in an earlier sense). From bastardly + -ness.