Heavy-hearted (3)
I believe the answer is:
sad
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">heavy-hearted</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 sad that I've seen before include "Sorrowful, unhappy" , "Melancholy, triste" , "Despondent" , "Winter blues, initially" , "Dismal" .)