Definition of “wrap sb (up) in cotton wool” - English Dictionary

british dictionary

“wrap sb (up) in cotton wool” in British English

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wrap sb (up) in cotton wool

UK

to try to protect someone too carefully:

You can't wrap (up) your children in cotton wool forever.

(Definition of “wrap sb (up) in cotton wool” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)