1The removal of all unwanted people or things in order to start afresh.
- ‘the new leaders wanted to make a clean sweep of the discredited old order’
2The winning of all of a group of similar or related competitions, events, or matches.‘Annadale are almost certain of making a clean sweep of the male athletics competitions’
come first, finish first, be the winner, be victorious, be the victor, carry the day, win the day, carry all before one, defeat the opposition, overcome the opposition, take the crown, take the honours, gain the palm, come out ahead, come out on top, succeed, triumph, prevail, achieve mastery
- ‘he was in reach of the nomination after a clean sweep of Tuesday's primaries’
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