Stumped by a crossword clue? Gnaw at the answer here!

Stumped by a crossword clue? Gnaw at the answer here! - EAT
Gnaw (at)

1. Chew persistently
2. Wear away bit by bit
3. Bite and grind with the teeth
4. Consume gradually and steadily over time
5. Work one’s way through slowly and steadily
6. Nibble continuously
7. Munch noisily and enthusiastically
8. Devour incrementally

EAT