miscue

miscue
    n 1: a faulty shot in billiards; the cue tip slips off the cue
         ball
    2: a minor inadvertent mistake usually observed in speech or
       writing or in small accidents or memory lapses etc. [syn:
       {slip}, {slip-up}, {miscue}, {parapraxis}]
    

Miscue \Mis*cue"\, n.
   1. (Billiards) A false stroke with a billiard cue, the cue
      slipping from the ball struck without impelling it as
      desired.
      [1913 Webster]

   2. Hence: To make a mistake; especially to fail to execute a
      necessary or expected action at the proper time, such as
      making a play in sports, or saying one's line in a drama.
      [PJC]
    

65 Moby Thesaurus words for "miscue":
      bad job, balk, be all thumbs, bevue, blooper, blunder,
      blunder away, blunder into, blunder on, blunder upon, bobble,
      boggle, bonehead play, boner, boo-boo, botch, bumble, bungle,
      butcher, clumsy performance, commit a gaffe, error, etourderie,
      false move, false step, faux pas, flounder, flub, fluff, foozle,
      fumble, gaucherie, hash, inadvertence, inadvertency, lapse,
      lapsus calami, lapsus linguae, loose thread, lumber, make a miscue,
      make a mistake, mar, mess, misapprehend, misconceive, misidentify,
      misinterpret, misstep, mistake, misunderstand, muddle, muff,
      murder, off day, omission, oversight, play havoc with, sad work,
      slip, slipup, spoil, stumble, trip, wrong step