The best (6,2,4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the best</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for second to none that I've seen before include "Incomparable" , "Supreme, best" , "Pre-eminent" , "perfect" , "Outstanding" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the best</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for primo that I've seen before include "... Levi (novelist)" , "Right-hand part in piano duet" , "Duet's lead part (It. first)" , "top player" , "duettist" .)