Ill-intentioned (10)
I believe the answer is:
malevolent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ill-intentioned</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for malevolent that I've seen before include "Having evil intentions" , "mean-spirited" , "bitter" , "very bad" , "Wishing evil to others" .)