dishonesty

n

1. falsity, mendacity, untruthfulness, lying, prevaricating; duplicity, double-dealing, hypocrisy; disingenuousness, insincerity, improbity; deceit, cheating, crookedness, deviousness, knavery, roguery, rascality, villainy; dirty pool, dirty tricks, foul play.

2. fraud, Archaic. covin, deception, humbug, chicanery, trickery, throwing a curve ball, swindle, con game, shell game; sharp practice, shiftiness, dealing from the bottom of the deck, stacking the deck, loading the dice.

3. thievery, larceny, stealing, robbery, highway robbery, holdup; tapping the till, hiking checks, robbing the blind; venality, jobbery, graft, corruption.

4. malpractice, malfeasance, misconduct, illegality, criminality; wrongdoing, wickedness, immorality, unrighteousness, unscrupulousness, unfairness; faithlessness, infidelity, betrayal, perfidy, treachery.