Morbid, gruesome (7)
I believe the answer is:
macabre
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">morbid</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">gruesome</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(both can mean morbid or disturbing)</span><br/ ><br/ ></span>
(Other definitions for macabre that I've seen before include "Dark and disturbing" , "Brace ma, being gruesome" , "'Grisly, gruesome (7)'" , "Ghastly, gruesome" , "Shockingly horrible" .)