Like Mars
I believe the answer is:
arid
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like mars</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 arid that I've seen before include "Parched and barren" , "Dry and barren" , "Dry raid" , "Rainless (region)" , "Dry and infertile" .)