Cream of the crop (4)
I believe the answer is:
best
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cream of the crop</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for best that I've seen before include "at 16 down [MAN UNITED] ?" , "Top; defeat" , "The finest - worst" , "unbeatable" , "BOSOM] ?" .)