perfidious Synonyms

treacherous disloyal unfaithful traitorous punic perjurious knavish subversive snaky shifty lying shady seditious mendacious recreant perjured renegade dishonourable double-crossing two-faced duplicitous two-timing untrustworthy untruthful untrue unscrupulous unreliable unprincipled underhand tricky treasonous treasonable janus-faced insincere insidious diametric devious deceptive deceiving deceitful cunning crooked crafty corrupt collusory cheating carthaginian betraying apostate dirty