Frumpish (5)
I believe the answer is:
dowdy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">frumpish</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dowdy that I've seen before include "Drably dressed" , "Unsmart" , "Drab" , "Frumpish" , "Lacking chic" .)