perfidious


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per·fid·i·ous

 (pər-fĭd′ē-əs)
adj.
Of, relating to, or marked by perfidy; treacherous. See Synonyms at faithless.

per·fid′i·ous·ly adv.

perfidious

(pəˈfɪdɪəs)
adj
guilty, treacherous, or faithless; deceitful
perˈfidiously adv
perˈfidiousness n

per•fid•i•ous

(pərˈfɪd i əs)

adj.
deliberately faithless; treacherous; deceitful.
[1590–1600; < Latin perfidiōsus faithless, dishonest. See perfidy, -ous]
per•fid′i•ous•ly, adv.
per•fid′i•ous•ness, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.perfidious - tending to betrayperfidious - tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans; "Punic faith"; "the perfidious Judas"; "the fiercest and most treacherous of foes"; "treacherous intrigues"
unfaithful - not true to duty or obligation or promises; "an unfaithful lover"

perfidious

adjective (Literary) treacherous, dishonest, false, corrupt, unfaithful, two-faced, disloyal, deceitful, faithless, untrustworthy, double-dealing, traitorous, double-faced, treasonous, recreant (archaic) She says that politicians are a perfidious breed.

perfidious

adjective
Translations

perfidious

[pɜːˈfɪdɪəs] ADJ (liter) → pérfido

perfidious

[pərˈfɪdiəs] (literary) adj (= treacherous) → perfide

perfidious

adj, perfidiously
adv (liter)perfid(e) (liter)

perfidious

[pɜːˈfɪdɪəs] adjperfido/a
References in classic literature ?
Rather Cape Tormentoto, as called of yore; for long allured by the perfidious silences that before had attended us, we found ourselves launched into this tormented sea, where guilty beings transformed into those fowls and these fish, seemed condemned to swim on everlastingly without any haven in store, or beat that black air without any horizon.
I had my own reasons for being dismayed at this apparition; too well I remembered the perfidious hints given by Mrs.
King Richard was absent a prisoner, and in the power of the perfidious and cruel Duke of Austria.
They had no pride of vain philosophy to support, no perfidious rage of faction to glut, by persevering in their mistakes until they should be extinguished in torrents of blood.
This, it has been said, would constitute the senators their own judges, in every case of a corrupt or perfidious execution of that trust.
The batteries most capable of repelling foreign enterprises on our safety, are happily such as can never be turned by a perfidious government against our liberties.
And then from hating "Hanson" he came to look upon himself with hate and loathing--to see himself and his perfidious act in all their contemptible hideousness.
I have nothing to save for your Majesty; you are only the victim of perfidious plots.
You are completely mistaken, sir," said Monte Cristo coldly, who felt the perfidious manoeuvre of the young man, and understood the bearing of his words; "you only acquired my protection after the influence and fortune of your father had been ascertained; for, after all, who procured for me, who had never seen either you or your illustrious father, the pleasure of your acquaintance?
In short, so operative were the terrors that surrounded them, that of twenty-four young men, who deserted from a transport, twenty-two were glad to return of themselves, the others being shot by sentinels; and one of their friends, who was supposed to have been accessory to their escape, was carried on shore to behold the destruction of his house and effects, which were burned in his presence, as a punishment for his temerity and perfidious aid to his comrades.
The Blackfeet said nothing of the late battle, of which Fontenelle had as yet received no accounts; the latter, however, knew the hostile and perfidious nature of these savages, and took care to inform them of the encampment of Captain Bonneville, that they might know there were more white men in the neighborhood.
She had but two varieties of expression; the prevalent one a forbidding, dissatisfied scowl, varied sometimes by a most pernicious and perfidious smile.