gnaw
(verb)
verb
1. bite or chew on with the teeth
- gnaw an old cracker
Definition categories: contact, chew, jaw, manducate, masticate, bite
2. become ground down or deteriorate
Similar word(s): erode
Definition categories: change, crumble, decay, dilapidate
Sentences with gnaw as a verb:
- The dog gnawed the bone until it broke in two.
- Her comment gnawed at me all day and I couldn't think about anything else.