No longer fashionable (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">no longer fashionable</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for passe that I've seen before include "-- -partout" , "Wrapped object" , "Jaded" , "Old fashioned - in France" , "Out of date" .)