underhandedness

artifice bunk cheating chicane chicanery corruption craft craftiness criminality crookedness cunning deceit deviousness dishonesty double-dealing duplicity faithlessness falsehood falsity flimflam fourberie fraud fraudulence graft guile hanky-panky hocus-pocus improbity infamy infidelity insidiousness mendacity perfidiousness perfidy racket rascality shadiness sharp practice shiftiness slyness sneakiness stealing swindle treachery trickery trickiness unscrupulousness wiliness