Pellucid
I believe the answer is:
clear
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pellucid</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for clear that I've seen before include "Make a profit - brighten up" , "Plain; unblock" , "Empty - vault" , "Acquit" , "Fine" .)