In a sentence
Six example sentences with perfidious, each labelled with its topic.
The play turns on a perfidious steward who sells his master's plans and then weeps convincingly at the funeral.
Literature
Contemporary pamphlets called the envoy perfidious for signing two treaties that promised the same province to different neighbors.
History
Players remember the perfidious ally who opens the gate for you and then locks it behind your party.
Gaming
The coalition collapsed when a perfidious partner, having signed the agreement that morning, voted with the opposition by nightfall.
Politics
The perfidious sidekick spends the whole film smiling at the hero while quietly selling her plans to her rivals.
Movies
A perfidious supplier promised exclusive terms, then shipped the same design to the company's biggest competitor a week later.
Business
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Found in these word lists
Found in 6 published word listsRecognized
Each source is a published word list that contains perfidious. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.