Small and charming (5)
I believe the answer is:
elfin
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small and charming</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for elfin that I've seen before include "Small; impish" , "Describing Santa's helpers" , "Delicate, slight" , "Resembling one of the little people" , "Small, delicately-framed" .)