mendacity

noun2

1. •
   The fact or condition of being untruthful; dishonesty.

   • Big Daddy: […] Think of all the lies I got to put up with!—Pretenses! Ain't that mendacity? Having to pretend stuff you don't think or feel or have any idea of? — 1955
2. •
   A deceit, falsehood, or lie.

   • The scandalous bronze-lacker age, of hungry animalisms, spiritual impotencies and mendacities, will have to run its course, till the Pit swallow it. — 1858