Experience (something bad) (6)
I believe the answer is:
suffer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">experience something bad</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 suffer that I've seen before include "Be affected by (illness)" , "Undergo, endure" , "Undergo pain or privation" , "Experience (something bad)" , "Endure pain or discomfort" .)