Roguish in a sentence as an adjective

The story of how Firefox came to be and roguish it was seen within the organization at the time is interesting.

It's hard to imagine that even charming roguish nobel prizewinning physicists who play the bongos can feel useless sometimes.

It won't happen to the roguish young in many cases, but for many people, knowing that it CAN be tracked back to them eventually is enough to keep the really bad attacks out of play.

Roguish definitions

adjective

playful in an appealingly bold way; "a roguish grin"

See also: devilish rascally

adjective

lacking principles or scruples; "the rascally rabble"; "the tyranny of a scoundrelly aristocracy" - W.M. Thackaray; "the captain was set adrift by his roguish crew"

See also: rascally scoundrelly blackguardly