Dishonest or crafty dealing.
Behavior or an act characteristic of a knave; rascality; dishonesty.
An instance of trickery or mischief.
Roguishness; mischievous quality.
Cassio's a proper man: let me see now.
To get his place and to plume up my will.
In double knavery-How, how? Let's see: — Shakespeare, Othello, Act 1, Scene 3.
Origin of knavery
From knave + -ery of Germanic origin.