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English definition of “fret”

fret

verb [I] (WORRY)   /fret/ (-tt-)
to worry or be unhappy about something: Don’t fret – I’m sure we’ll find the kitten. fretful    /ˈfret·fəl/ adjective She fell into a fretful sleep.
(Definition of fret verb (WORRY) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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