corrode

/kəˈɹəʊd/

IPA: /K ER0 OW1 D/

verb
  1. 1

    To eat away bit by bit; to wear away or diminish by gradually separating or destroying small particles of, as by action of a strong acid or a caustic alkali.

  2. 2

    To consume; to wear away; to prey upon; to impair.

    My morale is being corroded day by day.

  3. 3

    To have corrosive action; to be subject to corrosion.

Source: https://en.wiktionary.org/wiki/corrode