First, he is duplicitous with the Na'vi people, and then with his bosses.
Jones is not trying to be duplicitous; detail is the essential clothing of all good fiction, historical or not.
Or was her pretty face a mask, a duplicitous cover for a depraved soul?
It was a cynical and duplicitous ploy to put a kindly face on a cruel and selfish policy.
If you think Iran is duplicitous about its nuclear weapons program, just wait till you hear its deception on human rights.
Is Exner a duplicitous seductress or an innocent girl caught up in the wrong crowd?
This season, without such a duplicitous person, they invented one.