Like some professors' suits (6)
I believe the answer is:
tweedy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">like some professors' suits</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tweedy that I've seen before include "like countryside alliance ..." , "like country gentry" , "like upper-class countryfolk?" , "Of a robust conservative or rural character" , "Like rough woollen cloth" .)