roguish

From rogue +‎ -ish.

• (Received Pronunciation) IPA^(key): /ˈɹəʊɡɪʃ/
• (General American) IPA^(key): /ˈɹoʊɡɪʃ/

roguish (comparative more roguish, superlative most roguish)

1. Unprincipled or unscrupulous.
2. Mischievous and playful.
   • 1840, The Novel Newspaper (volume 2, page 8)

     "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.

• roguishly
• roguishness