Source : Webster's Revised Unabridged Dictionary (1913)

Overshoot \O`ver*shoot"\, v. t. [imp. & p. p. {Overshot}; p. pr.
   & vb. n. {Overshooting}.]
   1. To shoot over or beyond. ``Not to overshoot his game.''
      --South.

   2. To pass swiftly over; to fly beyond. --Hartle.

   3. To exceed; as, to overshoot the truth. --Cowper.

   {To overshoot one's self}, to venture too far; to assert too
      much.

Overshoot \O`ver*shoot"\, v. i.
   To fly beyond the mark. --Collier.

Source : WordNet®

overshoot
     n : an approach that fails and gives way to another attempt
         [syn: {wave-off}, {go-around}]
     v 1: shoot beyond or over (a target) [ant: {undershoot}]
     2: aim too high; "The plan overshoots its aim"
     [also: {overshot}]