Modifies a noun

• charm: He does however have a likeable roguish charm and a very quick wit.

• boy: He's this kind of roguish bad boy with a cheeky smile who you don't want to mess with.

• behavior: Dr. Francis observed that teachers often found the " class clown " to have charmingly roguish behavior which they found appealing.

• way: She looked up at him in a roguish sidelong way, with the bright mischievous smile which was one of her charms.

Used with adjective complement

• look: He had all that long hair and looked more roguish than the rest.