Scornful expression (5)
I believe the answer is:
sneer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scornful expression</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sneer that I've seen before include "Curl one's lip" , "Show contempt by contorting the face" , "Express cynical contempt" , "Contemptuous remark" , "Contemptuous expression" .)