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gnaw at

phrasal verb

Definition of gnaw at

: to be a source of worry or concern to (someone)

This problem has been gnawing at me day and night.

She says she's fine, but I can see that something is gnawing at her.

Word by Word Definitions

gnaw play

: to bite or chew on with the teeth
: to make by gnawing
: to be a source of vexation to : plague

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