WordWeb Online

1. Lacking physical movement skills, especially with the hands
   "a bumbling mechanic";
   - bungling, butterfingered, ham-fisted, ham-handed, handless, heavy-handed, left-handed

1. Make a mess of, destroy or ruin
   "I bumbled the dinner and we had to eat out";
   - botch, bodge [Brit], fumble, botch up, muff, blow, flub [N. Amer], screw up, ball up, spoil, muck up, bungle, fluff, bobble [N. Amer], mishandle, louse up, foul up, mess up, butcher, goof up, balls up, cock up [Brit]
    
2. Walk unsteadily
   "The drunk man bumbled about";
   - stumble, falter
    
3. Speak haltingly
   - stutter, stammer, falter

See also: maladroit

Type of: fail, go wrong, miscarry, mouth, speak, talk, utter, verbalise [Brit], verbalize, walk

Encyclopedia: Bumble