bogus

Counterfeit or fake; not genuine.

He was arrested for trying to cash a bogus check at the bank.

[…] that he and David Whitmer swore falsley, stole, cheated, lied, sold bogus money, (base coin,), and also stones and sand for bogus; that letters in the post-office had been opened, read, and destroyed; and that those same men were concerned with a gang of counterfeiters, coiners, and blacklegs.

Undesirable or harmful.

What Jefferson was saying was, Hey! You know, we left this England place 'cause it was bogus; so if we don't get some cool rules ourselves - pronto - we'll just be bogus too! Get it?

Incorrect, useless, or broken.

Of a totally fictitious issue printed for collectors, often issued on behalf of a non-existent territory or country (not to be confused with forgery, which is an illegitimate copy of a genuine stamp).

Bogus stamps are labels made to deceive stamp collectors. Many bogus stamps were made prior to 1900 when some had names of imaginary countries.

Based on false or misleading information or unjustified assumptions.

bogus laws

A liquor made of rum and molasses.

BOGUS. A liquor made of rum and molasses.

"Calibogus," or "bogus" was cold rum and beer unsweetened.

Counterfeit money.

“Ahem—it is the opinion of the court that the prisoner has been making bogus; so we must put him in the jug until Superior Court.[…]”

There is not a merchant in this city but knows this fact, and also that there has been a large quantity of bogus in circulation.

A surname.