More spicy (6)
I believe the answer is:
hotter
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">more spicy</span>' is the definition.<br/ ><span class="explanation-format__explanation">('hot' can be a synonym of 'spicy')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hotter that I've seen before include "Warmer" , "Having higher temperature" , "less cold maybe" , "More heated" , "young car thief" .)