dishonest (adj.)
- ambidextrous
- artful
- bent
- casuistic
- cheating
- conscienceless
- corrupt
- corrupted
- counterfeit
- crafty
- criminal
- crooked
- cunning
- dark
- deceitful
- deceiving
- deceptive
- devious
- dishonorable
- disingenuous
- double
- double-dealing
- double-faced
- double-tongued
- doubtful
- dubious
- duplicitous
- empty
- equivocal
- evasive
- faithless
- fake
- false
- felonious
- fishy
- fraudulent
- furtive
- hollow
- hypocritical
- ill-gotten
- immoral
- indirect
- insidious
- insincere
- jesuitic
- knavish
- lying
- mealymouthed
- mendacious
- oblique
- perfidious
- questionable
- roguish
- rotten
- shady
- shameless
- shifty
- sinister
- slippery
- snide
- suspicious
- thieving
- thievish
- treacherous
- tricky
- two-faced
- unconscientious
- unconscionable
- underhand
- underhanded
- unethical
- unfair
- unprincipled
- unsavory
- unscrupulous
- untrustworthy
- untruthful