perfidiously
Related Words
treacherouslyfaithlesslydisloyallydeceitfullyfraudulentlyinsidiouslyfaithfullyloyallytrustworthilyhonestlysincerelyperfidyperfidiousbetrayaltreasontreacheryduplicitydeceitguilefraudinfidelitydisloyaltydouble crossbackstabtrickerycunningdeceptionfalsehoodliemendacitytraitorturncoatrenegadespymolecollusionconspiracyintriguemachinationsubterfugeartificechicanerydishonestycorruptionbreachviolationinfractionperjuryapostasyseditioninsurrectionmutinydisaffectiontrustfaithallegiancefidelitydevotionhonorintegrityprobityrectitudecandorsinceritytruthfulnessreliabilityconstancysteadfastnessloyaltybondcovenantoathpledgepromisevowcontractagreementalliancepact