Very noisy (4)
I believe the answer is:
loud
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">very noisy</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 loud that I've seen before include "At high volume" , "Deafening" , "Audibly, or visually, obtrusive" , "Flashy" , "Noisy or garish" .)