Boisterous or uproarious (7)
I believe the answer is:
riotous
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">boisterous</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">uproarious</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for riotous that I've seen before include "Behaving wildly" , "Marked by public disorder" , "Unruly U rebellious" , "Boisterous and unrestrained" , "Unrestrained, wild living perhaps" .)