Definition of «clean sweep»

The phrase "clean sweep" means to completely remove or get rid of everything and start fresh without any traces of the past.

2 Garage sweep Do a massive clean sweep of your garage at the end of the summer. (styleathome.com)
It's going to be an achievements clean sweep! (buttonmashing.com)
The result concluded a byelection clean sweep for Labour after comfortable victories in the Manchester Central and Cardiff South and Penarth votes. (politics.co.uk)
(see all sentences)