knavishness

By 1967, Mr. Thompson, who has risen in the world, is blasting others for nincompoopery and knavishness.

It is used to describe a lack of probity, cheating, lying or being deliberately deceptive or a lack in integrity, knavishness, perfidiosity, corruption or treacherousness.

I had another purpose in this, as you shall see; but most of all, I wanted to test both the police and the knavishness of the neighborhood by seeing if the hand-cart were there in the morning.

Had Scarlett been possessed of such an anger, she would have been stamping both feet and roaring like Gerald in his finest days, calling on God to witness the accursed duplicity and knavishness of mankind and uttering blood-curdling threats of retaliation.

A staid man, a man of little courage when it came to his own behavior, Stern felt an aesthete's appreciation for the knavishness, the guile, the selfish cleverness of so many of these people who made it possible to embrace human misbehavior for its own miserable creativity.