Swank (4)
I believe the answer is:
posh
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swank</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 posh that I've seen before include "Luxuriously stylish" , "refined" , "Smart - upper-class" , "Shop around like upper class" , "Elegant, stylish" .)