Sorrowful (3)
I believe the answer is:
sad
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sorrowful</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sad that I've seen before include "A form of depression in winter, initially" , "Unhappy or melancholy" , "Sorrowful, unhappy" , "Mournful - sorry" , "Gloomy" .)