fumble in WordNet English dictionary

1. make a mess of, destroy or ruin
   "I botched the dinner and we had to eat out"; "the pianist screwed up the difficult passage in the second movement"
   botch  bodge  bumble  fumble  botch up  muff  blow  flub  screw up  ball up  spoil  muck up  bungle  fluff  bollix  bollix up  bollocks  bollocks up  bobble  mishandle  louse up  foul up  mess up  fuck up 
   
2. make one's way clumsily or blindly
   "He fumbled towards the door"
   fumble  blunder 
   
3. drop or juggle or fail to play cleanly a grounder
   "fumble a grounder"
   fumble 
   
4. feel about uncertainly or blindly
   "She groped for her glasses in the darkness of the bedroom"
   grope  fumble 
   
5. handle clumsily
   fumble 
   

1. (sports) dropping the ball
   fumble  muff