Shy away (6)
I believe the answer is:
recoil
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">shy away</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for recoil that I've seen before include "backlash" , "Stagger back" , "Spring back suddenly as gun may when fired" , "Jump back" , "Move or spring back suddenly, perhaps in disgust" .)