WordWeb Online

1. Rock fragments and pebbles
   - crushed rock

1. [US] Cause annoyance in; disturb, especially by minor irritations
   "Mosquitoes buzzing in my ear really gravels me";
   - annoy, rag, get to, bother, get at [informal], irritate, rile, nark [Brit, slang], nettle, vex, chafe, devil, tick off [informal], roil [N. Amer]
    
2. Cover with gravel
    
3. Confuse or leave at a loss because of something complex or difficult to understand
   "These questions gravel even the experts";
   - confuse, throw, fox, befuddle, fuddle, bedevil, confound, discombobulate [informal], perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, dumbfound

Derived forms: gravelled, gravelling, graveled, graveling, gravels

Type of: be, cover, displease, rock, stone

Encyclopedia: Gravel, Robert