duplicity (05/03/18)

duplicity

noun

1. deceitfulness in speech or conduct, as by speaking or acting in two different ways to different people concerning the same matter; double-dealing

2. an act or instance of such deceitfulness

Example 1: The back-stabber became known for her duplicity.

Example 2: The spy was a double agent riddled with duplicity, working for both the United States governement and the Russian government.