artful
abominable
arch
arrant
atrocious
bad
base
black
blackguardly
blamable
blameworthy
criminal
damnable
dark
deceitful
degraded
devilish
disgraceful
dishonest
elfish
elvish
evil
execrable
flagitious
flagrant
foolish
foul
fraudulent
full of mischief
heinous
high-spirited
impish
improper
infamous
iniquitous
low
lying
mendacious
mischief-loving
mischievous
monstrous
naughty
nefarious
notorious
peccant
playful
prankish
pranksome
pranky
puckish
avaricious
canting
conscienceless
dastardly
despicable
dishonorable
gamesome
graceless
heartless
hypocritical
miscreant
necessitous
popish
spendthrift
thoroughpaced
unchivalrous
underhanded
unscrupulous
weak-minded
wily