Flinch
v. i.-
To withdraw from any suffering or undertaking, from pain or danger; to fail in doing or perserving; to show signs of yielding or of suffering; to shrink; to wince;
as, one of the parties .flinched from the combat - (Croquet) To let the foot slip from a ball, when attempting to give a tight croquet.
n.
-
The act of flinching.