gnaw

/nษ”ห/

IPA: /N AO1/

verb
  1. 1

    To bite something persistently, especially something tough.

    โ€œThe dog gnawed the bone until it broke in two.โ€

  2. 2

    To produce excessive anxiety or worry.

    โ€œHer comment gnawed at me all day and I couldn't think about anything else.โ€

  3. 3

    To corrode; to fret away; to waste.

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