Was does gnaw mean?
Score: 5/5 (30 votes) 1a : to bite or chew on with the teeth especially : to wear away by persistent biting or nibbling a dog gnawing a bone. b : to make by gnawing rats gnawed a hole. 2a : to be a source of vexation to : plague anxiety always gnawing him. b : to affect like gnawing hunger gnawing h...