Loud, boisterous (5)
I believe the answer is:
noisy
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">loud</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(associated in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">boisterous</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for noisy that I've seen before include "ear-piercing maybe!" , "Loud, rackety" , "like thirteen [HARD ROCK]" , "Disturbingly loud" , "Clamorous" .)