Synonyms of naughtiest

1 Syllable
tough, wrong, rough
2 Syllables
willful, headstrong, sinful, evil, wanton, impish, teasing, annoying, worthless, playful, wicked, rowdy, raunchy, froward, fiendish, wayward, fractious
3 Syllables
contrary, mischievous, rascally, unruly, perverse
4 Syllables
intractable, refractory, disobedient, disorderly, obstreperous, indecorous, recalcitrant
5 Syllables
ungovernable, unmanageable, exasperating
6 Syllables
insubordinate