Frisky, full of fun (7)
I believe the answer is:
playful
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">frisky</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">full of fun</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for playful that I've seen before include "Fun-loving" , "In high spirits" , "Frisky" , "Fond of games; light-hearted" , "Full of fun" .)