1. Rock fragments and pebbles
   "They spread gravel on the driveway to improve traction";
   - crushed rock

1. [US] Cause annoyance, especially by persistent minor irritations
   "His constant interruptions gravel the entire team";
   - annoy, rag, get to, bother, get at [informal], irritate, rile, nark [Brit, slang], nettle, vex, chafe [archaic], devil, tick off [informal], roil [N. Amer]
    
2. Cover with gravel
   "They graveled the driveway to improve traction"
    
3. Confuse or leave at a loss because of something complex or difficult to understand
   - 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: gravelling, gravelled, graveling, gravels, graveled

Type of: affect, bear on, bear upon, cover, displease, impact, rock, stone

Encyclopedia: Gravel, John