Uninviting (4)
I believe the answer is:
grim
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">uninviting</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 grim that I've seen before include "Forbidding harsh and unpleasant" , "Stern and unsmiling" , "Very serious, gloomy" , "Dark, depressing" , "looking black" .)