Not dry (3)
I believe the answer is:
wet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not dry</span>' is the definition.<br/ ><span class="explanation-format__explanation">('wet' is the opposite to 'dry')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for wet that I've seen before include "Moderately Conservative" , "Watery" , "Rainy; feeble person" , "Rainy (weather)" , "Saturated with liquid" .)