perfidious Definition

treacherous, punic, unfaithful, evil, wicked, vicious, tricksy, slippery, albion, deceitful, traitorous, dastardly, devious, duplicitous, mendacious, vile, contemptible, diabolical, despicable, treasonous, cowardly, nefarious, detestable, loathsome, unprincipled, dishonest, odious, cunning, murderous, iniquitous, abominable, avaricious, conscienceless, pernicious, shameful, malevolent, reprehensible, shameless, warmongering, megalomanic, machiavellian, damnable, rapacious, barbarous, imperialist, venal, bloodthirsty, addlepated, bastardly, servile, hitlerian, ignoble, disleal, guileful, perverse, luciferian, drivelling, sinister, pusillanimous, amoral, ungentlemanly, demagogical, grotesque, proditorious, vainglorious, uncouth, bolshevist, diabolic, guiltless, groveling, beastly, unholy, opprobrious, cretinous, feckless, hitlerite, freemasonic, blatant, barefaced, cynical, insolent, uneatable, godless, baneful, fascistic, accusative, demoniacal, oleaginous, sycophantic, conspiratorial, simpleminded, demented, dastard, barbaric, spineless, swinish, corruptive, demagogic, sophistic, wanton,