Affectedly; sentimentally pretty (4)
I believe the answer is:
twee
(Other definitions for twee that I've seen before include "Overly cute" , "Niminy-piminy" , "Affectedly dainty or quaint" , "Excessively quaint" , "Excessively sweet" .)
I believe the answer is:
twee
(Other definitions for twee that I've seen before include "Overly cute" , "Niminy-piminy" , "Affectedly dainty or quaint" , "Excessively quaint" , "Excessively sweet" .)