Boisterous (5)
There are a few possibilities for this:
in high spirits
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">boisterous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rowdy that I've seen before include "Boisterous" , "Uproarious" , "Noisy and unruly" , "Raucous" , "yob" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">boisterous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for noisy that I've seen before include "Clamorous" , "Unpleasantly loud" , "Boisterous" , "Making much sound" , "Raucous" .)
(Another definition for in high spirits that I've seen is " Elated".)