Unprincipled — playfully mischievous (7)
I believe the answer is:
roguish
(Other definitions for roguish that I've seen before include "Coy" , "I gush or change to be waggish" , "Saucy" , "Dishonest - mischievous" , "reprobate" .)
I believe the answer is:
roguish
(Other definitions for roguish that I've seen before include "Coy" , "I gush or change to be waggish" , "Saucy" , "Dishonest - mischievous" , "reprobate" .)