noun, plural dup·er·ies for 1.
Examples from the Web for dupery
And between ourselves what dupery there is in science, how it narrows our horizon!The Three Cities Trilogy, Complete|Emile Zola
He would surely be credited with the dupery, and he now reckoned his time for activity short.Back o' the Moon|Oliver Onions
People like to be plundered in company; dupery then grows into the spirit of party.Tomlinsoniana|Edward Bulwer-Lytton
His Eminence the Cardinal Savelli was angry enough at the dupery which had been practised on him.A Decade of Italian Women, vol. I (of 2)|T. Adolphus Trollope
Fleetwood's wrath with his position warned him against the dupery of any such alcove thoughts.The Amazing Marriage, Complete|George Meredith