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keep someone up at night

Verb CEFR C2

Definitions

To worry, to disturb, to give someone sleepless nights.

figuratively, informal

Equivalents

2 more languages

Examples

“Reporter: You share⟳ this border⟳, more than eight hundred miles, with Vladimir Putin. What keeps you up at night? Niinisto: Nothing keeps me up at night. But in the daytime we... like⟳ I have⟳ said, we are not afraid, but we are fully awake⟳.”

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

keep someone up late keep straight keep tabs on keep term keep the baby keep the ball rolling

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