Emotional anguish (9)
I believe the answer is:
heartache
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">emotional anguish</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for heartache that I've seen before include "Great sadness" , "it gives rise to anguish" , "Agony of Love" , "Suffering" , "Emotional anguish" .)