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3. eat away at

eat away at

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eat away at something

to reduce something by a little at a time These bank fees eat away at my savings every month.

See also: away, eat

eat away at

Destroy gradually, erode; also, worry one constantly. For example, The sea has been eating away at the outer banks for years, or The fact that he failed the test is eating away at him. [Early 1800s]

See also: away, eat