Definition of undershift:
(n) :
An unfitted undergarment that covers the torso.
(n) :
A change that results in something being not being moved far enough or too few things being moved.
(v) :
To move too small an amount or not to move something far enough.
(n) :
(sports) The strategy or act of positioning defensive players extra far toward the offense's weak side.
(v) :
(sports) To position defensive players too far in a particular direction.
(n) :
(mechanical engineering) A misalignment resulting from failure to shift gears far enough.