amoral conscienceless corrupt corrupted criminal crooked dark devious dishonest dishonorable doubtful dubious evasive evil-eyed evil-faced evil-fashioned evil-favored evil-gotten evil-looking evil-minded felonious fishy fraudulent ill-affected ill-conceived ill-fashioned ill-favored ill-got ill-looking ill-shaped immoral indirect insidious not kosher questionable rotten shady shameless shifty sinister slippery suspicious tricky unconscienced unconscientious unconscionable underhand underhanded unethical unprincipled unsavory unscrupulous unstraightforward without remorse without shame