Answer: gnawat

AnswerCrossword Clue
GNAWATNibble on, as a bone
GNAWATChew on, dog-style
GNAWATBother incessantly
GNAWATChew on, as a bone
GNAWATPlague
GNAWATDistress
GNAWATGradually corrode
GNAWATBother horribly
GNAWATReally bother
GNAWATChew on like a rodent
GNAWATReally annoy