A fraud is a something that deceives or tricks another person, usually to get their money. Frauds are dishonest.
A fraud is something that sounds too good to be true — because it isn't. If you're promised millions of dollars by anyone on the Internet, that's got to be a fraud. Anyone trying to sell you a bridge is committing fraud. Identity theft is a type of fraud. Democrats and Republicans frequently accuse the other party of fraud when it comes to counting votes. You can also tell a person who is fake or an impostor is a fraud.