IPA: /əbˈnɒkʃəsnəs/
KK: /əbˈnɑkʃəsnəs/
The quality of being very unpleasant or offensive to others.
His obnoxiousness made it difficult for anyone to enjoy the party.
Obnoxiousness → It is formed from "obnoxius" (from Latin, meaning harmful or offensive) and the suffix "-ness" (meaning the state or quality of). The word "obnoxiousness" refers to the state of being offensive or unpleasant.
Think of the Latin root "obnoxius" meaning harmful or offensive, and remember that "obnoxiousness" describes the quality of being unpleasant.