Tory MPs have sometimes been said by some on their own side to be the "most duplicitous" of electorates.

The heavily redacted document released by the government points to a variety of duplicitous activities taken by the CIA to hide the cause of AHIs.

Mr. Wang’s suit accused Ms. Cutler of making “duplicitous and injurious statements.”

This sordid hush-money case should remind future juries that the man whose fate they’re considering is a selfish, desperate, and vulgar liar who surrounds himself with people who are just as duplicitous as he is.

Despite their proclaimed good intentions, the settlers’ land hunger generated duplicitous trade and land deals, alongside pious missions to convert indigenous people into “praying Indians.”