IPA: /fɛˈloʊniəsnəs/
KK: /fɛˈloʊniəsnəs/
The quality or state of being related to serious crimes or felonies.
The feloniousness of his actions led to a lengthy prison sentence.
Feloniousness → It is formed from "felonious" (from Old French *felon*, meaning treacherous or villainous) and the suffix "-ness" (meaning the state or quality of). The word "feloniousness" refers to the state of being treacherous or villainous, particularly in a legal context relating to serious crimes.
Think of the word 'felon' which describes someone who commits serious crimes, and remember that 'feloniousness' refers to the quality of being a felon.