Small and mischievous (5)
I believe the answer is:
elfin
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small and mischievous</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 "Delicately framed" , "Small, mischievous and charming" , "puckish" , "Like a mischievous fairy" , "Dainty" .)