gnaw

(nô)

1. a. To bite, chew on, or erode with the teeth.
   b. To produce by gnawing: gnaw a hole. See Synonyms at bite.
   c. To erode or diminish gradually as if by gnawing: waves gnawing the rocky shore.
2. To afflict or worry persistently: fear that constantly gnawed me.

1. To bite or chew persistently: The dog gnawed at the bone.
2. To cause erosion or gradual diminishment.
3. To cause persistent worry or pain: Hunger gnawed at the prisoners.

Related Forms:

• gnawˈer noun