Like a dungeon (4)
I believe the answer is:
dank
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like a dungeon</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 dank that I've seen before include "Chilly and clammy" , "Clammy, damp" , "Cold and moist" , "Damp, cold, musty" , "Unpleasantly cold and humid" .)