Slimmed down (7)
I believe the answer is:
reduced
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">slimmed down</span>' is the definition.<br/ ><span class="explanation-format__explanation">('reduce' can be a synonym of 'slim down')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for reduced that I've seen before include "Lowered in price" , "Shortened" , "Got rid of some bodily weight" , "Lessened" , "Made less in size etc" .)