make a clean sweep

1

Remove or eliminate unwanted persons or things, as in The new owners made a clean sweep of the place, intending to replace all the equipment. This phrase replaced the much older (16th-century) general sweep. [Mid-1800s]

2

Win overwhelmingly, as in Our candidate made a clean sweep of all the districts. This usage is most often found with reference to success in a sports competition or election.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Related Words for make a clean sweep

reorganize, shock, disturb, agitate, liquidate, mix, overturn, purge, remove, rid, groom