IPA: /ˈɒmɪnəsnəs/
KK: /ˈɑːmɪnəsnəs/
The state or quality of being threatening or foreboding, often indicating that something bad is going to happen.
The ominousness of the dark clouds made everyone worry about the storm.
Ominousness → It is formed from "ominous" (from Latin "ominous", meaning foreboding or threatening) and "-ness" (meaning the state or quality of). The word "ominousness" refers to the quality of being foreboding or threatening.
Think of the word 'ominous' which means something that suggests bad things to come, and remember that 'ominousness' describes the state of having that foreboding quality.