rest easy
also rest assuredused to tell someone not to worry and that you are in control of the situation:
"Rest assured, Mrs Cooper," said the police officer. "We will find your son for you."
Thesaurus: synonyms and related words
Anxious and worried
- (all) hot and bothered idiom
- -racked
- a bundle of nerves idiom
- aflutter
- agitate
- alarmed
- anxious
- apprehensive
- demented
- dread
- fuss
- get in a sweat idiom
- grim
- harassed
- haunted
- prey on sb's mind idiom
- prey on sth
- rattled
- restive
- restless
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