IPA: /fləˈdʒɪʃəsnəs/
KK: /fləˈɡɪʃəsnəs/
The state of being extremely wicked or criminal; a quality that involves great moral wrongness or evil actions.
The flagitiousness of his actions shocked the entire community.
Flagitiousness → It is formed from "flagitiosus" (from Latin, meaning wicked or infamous) and the suffix "-ness" (meaning the state or quality of). The word "flagitiousness" refers to the state of being wicked or morally reprehensible.
Think of the Latin root 'flagitiosus' which means wicked, and remember that 'flagitiousness' describes the quality of being wicked.