Gnaw | Mean of gnaw in English Dictionary

/ˈnɑː/

• Verb
• to bite or chew (something) repeatedly
1. The dog was gnawing a bone.
2. He nervously gnawed on his fingernails.
3. Rabbits have gnawed at the hedge.
• to make (a hole in something) by chewing
1. Rabbits had gnawed a hole in the hedge.
2. Squirrels had gnawed their way into the attic. [=they had entered the attic by chewing a hole]
• to be a source of worry or concern to (someone)
1. This problem has been gnawing at me day and night.
2. She says she's fine, but I can see that something is gnawing at her.