WordWeb Online

1. Any light downy material
    
2. Something of little value or significance
   "mere rhetorical fluff";
   - bagatelle, frippery, frivolity
    
3. A blunder (especially an actor's forgetting the lines)

1. Make a mess of, destroy or ruin
   "I fluffed the dinner and we had to eat out";
   - botch, bodge [Brit], bumble, fumble, botch up, muff, blow, flub [N. Amer], screw up, ball up, spoil, muck up, bungle, bobble [N. Amer], mishandle, louse up, foul up, mess up, butcher, goof up, balls up, cock up [Brit]
    
2. Erect or fluff up
   "the bird fluffed its feathers";
   - ruffle
    
3. Ruffle (one's hair) by combing the ends towards the scalp, for a full effect
   - tease

Derived forms: fluffed, fluffs, fluffing

See also: fluff up

Type of: bloomer, blooper [N. Amer], blue [Austral, NZ], blunder, boner, boo-boo, botch, bungle, comb, comb out, disentangle, fail, flub [N. Amer], foul-up, go wrong, loosen, material, miscarry, picayune [N. Amer], piddler, pratfall, small beer, small fry, stuff, trifle, trivia, triviality

Encyclopedia: Fluff