SINCE 1828
clear up
phrasal verbDefinition 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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