Akademik

eat into
verb
gnaw into; make resentful or angry
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The injustice rankled her

-

his resentment festered

Syn: ↑fret, ↑rankle, ↑grate
Hypernyms:
annoy, ↑rag, ↑get to, ↑bother, ↑get at, ↑irritate, ↑rile, ↑nark, ↑nettle, ↑gravel, ↑vex, ↑chafe, ↑devil
Verb Frames:
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Something ——s somebody

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The bad news will eat into him

* * *

another way of saying eat away at above

Useful english dictionary. 2012.