The definition of a scam is slang for a fake scheme to steal money or goods.(noun)
An example of a scam is a company that takes a person's work and never pays him.
To scam is defined as to cheat people out of money.(verb)
An example of scam is to sell a product, take the money and then never deliver the product.
See scam in Webster's New World College Dictionary
See scam in American Heritage Dictionary 4
Origin: Origin unknown.
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