Derisive reactions (6)
I believe the answer is:
sneers
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">derisive reactions</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 sneers that I've seen before include "Jeers, derides" , "Expresses cynical contempt" , "Shows scorn" , "Smiles contemptuously" , "Shows contempt by scornful expression" .)