roguish

adj

1. Unprincipled or unscrupulous.
2. (idiomatic)Mischievous and playful.

   “"She'll be a match for poor little Cupid, with his tiny bow and arrow, I dare say," said Grace Fitzgerald, with a roguish eye.”

   “Hortense, with her rich chestnut locks so luxuriantly knotted, plaited, twisted, as if she did not know how to dispose of all their abundance, with her vermillion lips, damask cheek, and roguish laughing eye.”

   “Back at the sauna, Mr. Pylhhänen gives a roguish grin and says he has found the answer to the “happiest country” debate – in a very Finnish way, of course.”