Unbuttered (3)
I believe the answer is:
dry
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unbuttered</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dry that I've seen before include "Having given up drinking" , "Juiceless" , "Alcohol-free" , "Abstinent" , "Dull" .)