Origin: 1250–1300; ME
winsen, var. of
winchen, wenchen to kick < AF
*wenc(
h)
ier; OF
guenc(
h)
ier < Gmc. Cf.
wench, winch1 
Related forms: wincer, noun
winc⋅ing⋅ly, adverb
winc⋅ing⋅ness, noun
Synonyms:
1. blench, quail. Wince, recoil, shrink, quail all mean to draw back from what is dangerous, fearsome, difficult, threatening, or unpleasant. Wince suggests an involuntary contraction of the facial features triggered by pain, embarrassment, or a sense of revulsion: to wince as a needle pierces the skin; to wince at coarse language. Recoil denotes a physical movement away from something disgusting or shocking or a similar psychological shutting out or avoidance: to recoil from contact with a slimy surface; to recoil at the squalor and misery of the slum. Shrink may imply a fastidious or scrupulous avoidance of the distasteful or it may suggest cowardly withdrawal from what is feared: to shrink from confessing a crime; to shrink from going into battle. Quail suggests a loss of heart or courage in the face of danger or difficulty; it sometimes suggests trembling or other manifestations of physical disturbance: to quail before an angry mob.