Most intelligent (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">most intelligent</span>' is the definition.<br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for cleverest that I've seen before include "of superlative brilliance" , "Brighter than others" , "Smartest" , "most able" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">most intelligent</span>' is the definition.<br/ ><span class="explanation-format__explanation">('brainy' can be similar in meaning to 'intelligent')</span><br/ ><br/ >This is the entire clue.<br/ ></span>