keep a clear head

To maintain a rational manner, often because one is not under the influence of alcohol or drugs. You need to keep a clear head when you make a big decision like that.

have/keep a clear ˈhead

be able to think clearly, especially because you have not had any alcohol, drugs, etc: Don’t give me any wine, I must keep a clear head for the meeting this afternoon. OPPOSITE: a thick head

See also: clear, have, head, keep

Farlex Partner Idioms Dictionary © Farlex 2017

See also:

have a clear head
have/keep a clear head
by no manner of means
all manner of
all manner of (people or things)
all manner of somebody/something
lose touch with reality
lose touch with sanity
la
à la

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