IPA: /ˈvaɪl.nəs/
KK: /ˈvaɪlnɪs/
The quality or state of being extremely unpleasant or morally bad.
The vileness of his actions shocked everyone in the community.
Vileness → It is formed from "vile" (from Latin *vilis*, meaning cheap or low) and "-ness" (meaning the state or quality of). The word "vileness" refers to the state of being vile or morally despicable.
Think of the word 'vile' which means something low or despicable, and remember that 'vileness' describes the quality of being vile.