Ill turn (10)
I believe the answer is:
disservice
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ill turn</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for disservice that I've seen before include "Harmful action" , "Unkindness" , "It's wrong" .)