1. Bite or chew on with the teeth
   "gnaw an old cracker"
    
2. Become ground down or deteriorate
   "Constant worry gnawed at her peace of mind";
   - erode, gnaw at, eat at, wear away
    
3. Cause lingering anxiety, torment, etc.
   "Guilt continued to gnaw at her conscience"

Sounds like: gloom, glgnaw

Derived forms: gnawed, gnawing, gnawn, gnaws

Type of: bite, chew, crumble, decay, dilapidate, manducate [archaic], masticate

Encyclopedia: Gnaw