More chubby (7)
I believe the answer is:
plumper
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">more chubby</span>' is the definition.<br/ ><span class="explanation-format__explanation">('plump' can be a synonym of 'chubby')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for plumper that I've seen before include "more stout" , "One choosing" , "Fuller and rounder" .)