Cleaning off surfaces, or cleaning away dust, dirt, or litter, as a broom does; moving with swiftness and force; carrying everything before it; including in its scope many persons or things; as, a sweeping flood; a sweeping majority; a sweeping accusation.
source: Webster 1913
noun
the act of cleaning with a broom
source: WordNet 3.0
adjective satellite
taking in or moving over (or as if over) a wide area; often used in combination
A sweeping glance. A wide-sweeping view of the river.