IPA: /məˈmɛntəsnəs/
KK: /məˈmɛntəsnəs/
The quality of being very important or significant, especially in a way that can change events or situations.
The momentousness of the decision was felt by everyone involved.
Momentousness → It is formed from "momentous" (from Latin "momentosus", meaning significant or important) and the suffix "-ness" (meaning the state or quality of). The word "momentousness" refers to the quality of being significant or important.
Think of something that is 'significant' ('momentous') and the '-ness' indicating a state. This helps you remember that momentousness means the quality of being significant.