{f} flinch, recoil (especially from pain or fear); cringe, involuntarily make a face in response to surprise (or embarrassment, etc.)
If you wince, the muscles of your face tighten suddenly because you have felt a pain or because you have just seen, heard, or remembered something unpleasant. Every time he put any weight on his left leg he winced in pain Wince is also a noun. He suppressed a wince as motion renewed the pain
a reflex response to sudden pain the facial expression of sudden pain make a face indicating disgust or dislike; "She winced when she heard his pompous speech