Saccharine (5)
I believe the answer is:
sweet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">saccharine</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 sweet that I've seen before include "attractive" , "Dulcet - dessert" , "Pudding" , "It is agreeable" , "S [SWEET] , basically" .)