deceitfulness

plural deceitfulnesses

1. uncountableusuallyThe state or quality of being deceitful; duplicity.

   1903, Andy Adams, The Log of a Cowboy: A Narrative of the Old Trail Days, ch. 20 "A Moonlight Drive", The lanterns both rear and forward being always in sight, I was as much at sea as any one as to the length of the herd, knowing the deceitfulness of distance of campfires and other lights by night.

   2 more examples

   O full off all sutelte and disseytfulnes the chylde off the devyll, and the enemye of all righteousnes thou ceasest not to pervert the strayght wayes off the lorde.

   1526, [William Tyndale, transl.], The Newe Testamẽt […] (Tyndale Bible), [Worms, Germany: Peter Schöffer], →OCLC, Acts

   'This is the hend, is it, of all my bearing with her deceitfulness, her lowness, her falseness, her laying herself out to catch the admiration of vulgar minds . . .'

   1839, Charles Dickens, chapter 42, in Nicholas Nickleby

   Synonyms: fraudulence, trickery, underhandedness, deceit, deceptiveness, dissimulation, duplicity, fraudulence