Most doleful (7)
I believe the answer is:
saddest
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">most doleful</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for saddest that I've seen before include "Unhappiest" , "Most doleful" , "Most unhappy" , "most dejected" , "Most blue" .)