Affectedly dainty (4)
I believe the answer is:
twee
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">affectedly dainty</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for twee that I've seen before include "Affectedly dainty or refined" , "Affectedly dainty or quaint" , "Affectedly pretty" , "Sentimentally sweet" , "Rather too pretty" .)