perfidy

in a sentence

He says you'll see the bullet holes all over the front and they should be left there to remind the Irish of English perfidy.  (source) Frank McCourt, Angela's Ashes, 1996

In the days that followed she received two more unsigned letters, as perfidious as the first, but none of the three seemed to be written by the same person.  (source) Gabriel Garcia Marquez, Love in the Time of Cholera, 1988

So, she discovered my perfidy, and I had her lured to a dangerous neighborhood and ordered her throat cut.  (source) J. D. Robb, Glory in Death, 1995

Leamas nourished Fiedler's suspicions with hints and oblique indications—never overdone, you understand, never emphasized, but dropped here and there with perfidious subtlety.  (source) John Le Carre, The Spy Who Came In From The Cold, 1963

Alf was angry at Joe's perfidy, so he put in a needle.  (source) John Steinbeck, East of Eden, 1952

No, it's more dangerous than that, for it contains perfidies, corruptions of truth written by a traitor and peddled to the highest bidder.†  (source) Libba Bray, Sweet Far Thing, 2007

On ordinary occasions it might not be exerted with the requisite firmness, and on extraordinary occasions it might be perfidiously abused.†  (source) James Madison, Federalist Paper #51, 1788

He was perfectly astonished with the historical account gave him of our affairs during the last century; protesting "it was only a heap of conspiracies, rebellions, murders, massacres, revolutions, banishments, the very worst effects that avarice, faction, hypocrisy, perfidiousness, cruelty, rage, madness, hatred, envy, lust, malice, and ambition, could produce."†  (source) Jonathan Swift, Gulliver's Travels, 1726

The guide made a negative sign with his head, which was probably perfidious.  (source) Victor Hugo, Les Miserables, 1862

It is ingratitude, perfidy, treachery!  (source) T. H. White, The Once and Future King, 1939

And his hatred, like his love, needing to manifest itself in action, he amused himself with urging his evil imaginings further and further, because, thanks to the perfidies with which he charged Odette, he detested her still more, and would be able, if it turned out—as he tried to convince himself—that she was indeed guilty of them, to take the opportunity of punishing her, emptying upon her the overflowing vials of his wrath.†  (source) Marcel Proust, Swann's Way, 1913

In fact, in addition to that yellow, sickly paleness which indicates the insinuation of the bile in the blood, and which might, besides, be accidental, d'Artagnan remarked something perfidiously significant in the play of the wrinkled features of his countenance.†  (source) Alexandre Dumas, The Three Musketeers, 1850

I had my own reasons for being dismayed at this apparition; too well I remembered the perfidious hints given by Mrs. Reed about my disposition,  (source) Charlotte Bronte, Jane Eyre, 1847