noun
One who cheats
A trick
verb
cheat, the most general term in this comparison, implies dealing dishonestly or deceptively with someone to obtain some advantage or gain; defraud, chiefly a legal term, stresses the use of deliberate deception in criminally depriving a person of rights or property; swindle stresses the winning of a person's confidence in order to cheat or defraud that person of money; trick implies deluding by means of a ruse, stratagem, etc., but does not always suggest fraudulence or a harmful motive; dupe stresses credulity in the person who is tricked or fooled; hoax implies a trick skillfully carried off simply to demonstrate the gullibility of the victim
See cheat in Webster's New World Roget's A-Z Thesaurus II
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