“With possible political perfidy such a hot topic at Westminster, it is with perfect timing that the Lyceum and Citizens' theatres bring two of England's great plays of history and politics to the stage.”

“I have been accused of perfidy, malingering, duplicity, charlatanism and forty other words that I don't know the meaning of.”

“Think of the valiant whistleblower inside a corporation or an agency who puts himself at risk to uncover criminal perfidy.”

“They must have been the last flickerings of a conscience not quite dead to all sense of perfidiousness and fickleness.”

“Wherein our men are guilty of the most horrid cowardice and perfidiousness, as he says and tells it, that ever Englishmen were.”

“The naivete of this approach is matched only by the perfidiousness of its execution.”

“The most advanced technologies and the most scientific perfidies are confronting each other.”

“Some blacks were alienated by Toussaint's perfidies and equivocations, his mysteriousness, and the occasional atrocities he thought necessary amid such dangers.”

“For Rosalind was no victim of the monster man, as you may have supposed her, no illustration of his immemorial perfidies.”