Weird, spooky (5)
I believe the answer is:
eerie
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">weird</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(both can mean strange or unsettling)</span><br/ ><br/ >'<span class="explanation-format__original">spooky</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for eerie that I've seen before include "Scary, weird" , "Mysterious" , "Frighteningly odd" , "Weird, uncanny" , "Spine-tingling" .)