Extreme suffering (5)
I believe the answer is:
agony
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">extreme suffering</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for agony that I've seen before include "Torture" , "sort of aunt" , "Intense pain" , "Distress" , "Terrible pain" .)