verb (used with object), cor·rod·ed, cor·rod·ing.

  1. to eat or wear away gradually as if by gnawing, especially by chemical action.
  2. to impair; deteriorate: Jealousy corroded his character.

verb (used without object), cor·rod·ed, cor·rod·ing.

  1. to become corroded.


  1. to eat away or be eaten away, esp by chemical action as in the oxidation or rusting of a metal
  2. (tr) to destroy gradually; consumehis jealousy corroded his happiness

v.c.1400, from Old French corroder (14c.) or directly from Latin corrodere “to gnaw to bits, wear away,” from com-, intensive prefix (see com-), + rodere “to gnaw” (see rodent). Related: Corroded; corroding.

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