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

Derived forms: bumbled, bumbling, bumbles

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

Encyclopedia: Bumble