cheatcheat /tʃiːt/ verb [intransitiveI, transitiveT] to deceive someone, break rules, or behave dishonestly, especially in order to make money for yourselfNot all publishers want to cheat authors.
There are stiff penalties for stockbrokers who cheat customers.
cheat on somethingThese new rules could lead more people to cheat on their taxes.
cheat somebody out of somethingHe accused his employer of deliberately trying to cheat him out of his redundancy money.
—cheating noun [uncountableU]Auditors will check the information for any patterns that might indicate cheating by floor traders.