Unpleasant noise (3)
I believe the answer is:
din
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unpleasant noise</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 din that I've seen before include "Loud noise, racket" , "A lot of noise (3)" , "'Loud, harsh noise (3)'" , "Noisy disturbance" , "Unwanted noise" .)