Definition of "Cheat" :

noun: a deception for profit to yourself

noun: the act of swindling by some fraudulent scheme

noun: someone who leads you to believe something that is not true

noun: weedy annual native to Europe but widely distributed as a weed especially in wheat

noun: weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous

verb: defeat someone through trickery or deceit

verb: deprive somebody of something by deceit

"We were cheated by their clever-sounding scheme."

verb: engage in deceitful behavior; practice trickery or fraud

verb: be sexually unfaithful to one's partner in marriage

"She cheats on her husband."