naughty (adj.)
- abominable
- arrant
- atrocious
- bad
- base
- bawdy
- black
- blamable
- blameworthy
- blue
- contrary
- criminal
- damnable
- dark
- defiant
- devilish
- dirty
- disgraceful
- disobedient
- disorderly
- disruptive
- evil
- execrable
- flagitious
- flagrant
- foul
- fractious
- frolicsome
- froward
- headstrong
- heinous
- immoral
- impish
- improper
- indecent
- indecorous
- infamous
- iniquitous
- insubordinate
- intractable
- knavish
- lawless
- lewd
- low
- mischievous
- monstrous
- nefarious
- nonconforming
- obscene
- obstinate
- obstreperous
- off-base
- offensive
- peccant
- perverse
- playful
- pornographic
- puckish
- rank
- raunchy
- recalcitrant
- recusant
- refractory
- reprehensible
- reprobate
- ribald
- risque
- roguish
- rowdy
- ruffianly
- scandalous
- self-willed
- shameful
- sinful
- smutty
- undisciplined
- undutiful
- unforgivable
- ungovernable
- unmanageable
- unpardonable
- unruly
- unspeakable
- unworthy
- vicious
- vile
- villainous
- violative
- vulgar
- wayward
- wicked
- willful
- wrong
'T is a naughty night to swim in.
How far that little candle throws his beams!
So shines a good deed in a naughty world.