Fizzy (12)
I believe the answer is:
effervescent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fizzy</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 effervescent that I've seen before include "Bubbly" , "Fizzy" , "Sparkling" .)