IPA: /ˈswiːpɪŋnəs/
KK: /ˈswipɪŋnəs/
The quality of being broad or extensive in scope, often used to describe something that covers a wide range or has a significant impact.
The sweepingness of her argument convinced everyone in the room.
Sweepingness is formed from "sweep" (from Old English *swēpan*, meaning to move swiftly or to clear away) and "-ness" (a suffix used to form nouns indicating a state or quality). The word "sweepingness" refers to the quality or state of being sweeping, often implying a broad or comprehensive nature.
Think of the action of 'sweeping' — moving swiftly to clear away — and remember that 'sweepingness' describes the quality of being broad or comprehensive in that action.