1) Drew back in pain 2) Evinced pain 3) Flinched 4) Grimaced 5) Reacted to a bad joke 6) Reacted to a really bad pun 7) Reacted to a sour note 8) Reacted to a sting 9) Reacted to a vaccination 10) Reacted to an injection Found on https://www.crosswordclues.com/clue/winced