adj. treacherous, deceitful, traitorous, treasonous, treasonable, disloyal, faithless, false, unfaithful, untrue, insidious, hypocritical, two-faced, Janus-faced, corrupt, dishonest His perfidious brother betrayed him to his enemies
PERFIDIOUS
Meaning of PERFIDIOUS in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012