dishonest
dishonorable
playful
base
knavish
reprobate
roguish
scampish
scoundrelly
villainous
worthless
arrant
avaricious
baseborn
black-hearted
bloodthirsty
briefless
cleverest
cowardly
dastardly
enterprising
graceless
gray-headed
infamous
liest
lowborn
luckless
obsequious
sacrilegious
sometime
unlucky
unscrupulous
wily
would-be