And there was a crash involved—in Ukrainian perfidy and EU sanctions both.
Grace has been especially severe on the 12-person jury, which she has accused of all manner of perfidy.
The perfidy of the Illuminati with regard to the Freemasons is therefore apparent.
There is no perfidy with him, no deceit, no disingenuousness, no shade.
No, Sir; but, lawyer as I am, there are depths of perfidy I'm not prepared for.
He defended Louise against Raoul, and justified her perfidy by her love.
Stratagems must be carefully distinguished from perfidy, since the former are allowed, whereas the latter is prohibited.
They, however, by their perfidy, had given themselves a master.
It was considerable satisfaction to think that Sprudell had had to pay for his perfidy and she would benefit by it.
To-day the world is aghast at your perfidy and amazed at your temerity.
1590s, from Middle French perfidie (16c.), from Latin perfidia "faithlessness, falsehood, treachery," from perfidus "faithless," from phrase per fidem decipere "to deceive through trustingness," from per "through" (see per) + fidem (nominative fides) "faith" (see faith).
[C]ombinations of wickedness would overwhelm the world by the advantage which licentious principles afford, did not those who have long practiced perfidy grow faithless to each other. [Samuel Johnson, "Life of Waller"]