raffish
adjective
[ ˈrafɪʃ ]
• unconventional and slightly disreputable, especially in an attractive way.
• "his raffish air"
Similar:
rakish,
jaunty,
dapper,
dashing,
sporty,
flashy,
unconventional,
bohemian,
devil-may-care,
casual,
careless,
louche,
disreputable,
dissolute,
dissipated,
debauched,
decadent,
flash,
Origin:
early 19th century: from riff-raff + -ish1.