Slimmed (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">slimmed</span>' is the definition.<br/ ><span class="explanation-format__explanation">('thin' can be a synonym of 'slim')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for thinned that I've seen before include "Made less thick" , "Reduced" , "Diluted" .)
(Other definitions for dieted that I've seen before include "Followed a food regime" , "Aimed to lose weight" , "Followed an eating regime" , "Regulated one's food consumption" , "Ate sparingly to lose weight" .)