unprincipled Synonyms

licentious immoral purchasable sinful sneaky swindling traitorous treacherous unconscionable underhand underhanded simoniacal shifty rascally reprobate roguish rotten shameless roughish shady shameful unfair unjust unlawful duplicitous two-faced scoundrelly machiavellian amoral dishonourable unethical opportunistic unconscientious unprofessional untrustworthy unmoral unreputable unrighteous unscrupulous untruthful venal vile villainous wicked unsporting profligate abandoned crooked cunning debauched