lickpot
knave
rascal
rogue
varlet
scallywag
rapscallion
scalawag
sleazy
sleveen
untrustworthily
impenetrable
booky
crooked as a barrel of snakes
untrustingly
unpraiseworthily
sysape
unphilanthropically
unitively
unenlightenedly
rat bastard
unworthily
shady
aneugen
nontrustworthy
slick
uncommunicably
unwarily
unsanctifiedly
unloyally
unimpassionedly
ghost
unlistenably
unfestively
inconscionably
dunce
unclerically
unhandsomely
unvarnishedly
unconceitedly
unhonourably
sievish
unsanctimoniously
uninnocently
univocal
unpardonably
dull
unpunishingly
unthankfully
uningenuously