C2[I+ adv/prep]to move, especially quickly and powerfully: Everyone looked up as she swept into the room.The fire swept (= spread quickly)through the house.The National Party swept into power(= easily won the election) with a majority of almost 200.Moving quickly›[T]to quickly spread through and influence an area: A 1970s fashion revival is sweeping Europe.Spreading and scattering›[T]to travel across all of an area, especially when looking for something: American minesweepers are sweeping the Arabian Sea.Moving quickly›[Iusually+ adv/prep]If a road, river, range of mountains, set of steps, etc. sweeps in a particular direction, they follow a particular curved path: The road sweeps down to the coast.Moving quickly