mythomaniac

deceitful deceptive malicious misleading

apostate base beguiling canting corrupt crooked deceiving deluding delusive devious dishonorable disloyal double-dealing duplicitous faithless falsehearted forsworn foul lying malevolent mean perfidious perjured rascally recreant renegade scoundrelly traitorous treacherous treasonable two-faced underhanded unfaithful unscrupulous untrustworthy venal villainous wicked

frank honest open truthful upright

accurate actual correct factual genuine just known precise real reliable right straight substantiated true valid