Janus-faced
ambidextrous
beguiling
blackguardly
corrupt
deceitful
deceptive
double-dealing
double-faced
double-tongued
duplicitous
fallacious
false
fraudulent
misleading
picaresque
rascally
roguish
scoundrelly
shoddy
thieving
thievish
two-faced
Machiavellian
amoral
artful
bent
casuistic
cheating
conscienceless
corrupted
counterfeit
crafty
criminal
cronk
crooked
cunning
dark
deceiving
defrauding
devious
disfigured
disgrace
disgraced
dishonor
dishonorable
dishonored
disingenuous
double
double-minded
doublehearted
doubtful
dubious
empty
equivocal
evasive
faithless
fake
dishonesty
cowardly
deprave
greedy
illegal
incompetent
irresponsible
malicious
profligate
selfish
unreliable
unscrupulous
untrue
worthless
honest
pianist
conscientious
virtuous