Meaning of “clear up” in the English Dictionary

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"clear up" in American English

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clear up

phrasal verb with clear us /klɪr/ verb

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(of an illness or bad weather) to go away, changing into a better condition:

If my cold doesn’t clear up, it will ruin my vacation.
Let’s hope the weather clears up.

(Definition of “clear up” from the Cambridge Academic Content Dictionary © Cambridge University Press)