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.

QUIZZES

IS YOUR DESERT PLANT KNOWLEDGE SUCCULENT OR DRIED UP?

Cactus aficionados, don't get left in the dust with this quiz on desert plants. Find out if you have the knowledge to survive this prickly foray into the desert!
Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.