clear up
phrasal verbcleared up; clearing up; clears up
Definition of clear up
1 of weather or the sky : to change so that there are no clouds, fog, etc.
The sky cleared up after the rain. It's cloudy now, but it's clearing up gradually.
2 of the skin : to become free of marks or spots
My skin cleared up when I started using the cream.
3 : to go away
My symptoms cleared up once I started using the cream.
4 British : to make an area clean or tidy
Let's clear up before we leave.
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