WordWeb Online

1. A warm tubular covering for the hands
    
2. [informal] (sport) dropping the ball
   - fumble
    
3. [Brit, vulgar] Obscene term for female genitals

1. Fail to catch, as of a ball
    
2. Make a mess of, destroy or ruin
   "I muffed the dinner and we had to eat out";
   - botch, bodge [Brit, informal], bumble, fumble, botch up, blow, flub [N. Amer, informal], screw up [informal], spoil, muck up [informal], bungle, fluff [informal], bobble [N. Amer], mishandle, louse up [informal], foul up, mess up, butcher, goof up [informal], cock up [Brit, informal], balls up [informal], make a hash of [informal]

Derived forms: muffed, muffs, muffing

Type of: bloomer [informal], blooper [N. Amer, informal], blue [Austral, NZ, informal], blunder, boner [N. Amer, informal], boob [Brit, informal], boo-boo [informal], botch, bungle, fail, female genital organ, female genitalia, female genitals, flub [N. Amer, informal], foul-up, go wrong, goof [informal], hand wear, handwear, miscarry, neglect, pratfall [informal]

Encyclopedia: Muff, Donegal