Make a wry face (7)
I believe the answer is:
grimace
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">make a wry face</span>' is the definition.<br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for grimace that I've seen before include "Facial expression showing disgust, wry humour etc" , "Disgusted expression" , "Nasty expression" , "Expression of pain or disgust" , "Ugly facial expression" .)