black market

n.	1.	the illicit buying and selling of goods, in violation of price controls, rationing, tax laws, prohibition of sale, etc.
	2.	a place where such illegal commerce is conducted, or the entire system of such illicit commerce considered as a whole; as, the black market accounts for twenty percent of the Ukrainian economy.

Noun	1.	black market - people who engage in illicit trade
	2.	black market - an illegal market in which goods or currencies are bought and sold in violation of rationing or controls
Verb	1.	black market - deal in illegally, such as arms or liquor Synonyms: run

Cosa Nostra, Mafia, actionable, against the law, anarchic, anarchistic, anomic, black-marketeer, bootleg, bootlegging, chargeable, contraband, contrary to law, criminal, felonious, fence, flawed, gambling, gray market, illegal, illegal commerce, illegal operations, illegitimate, illegitimate business, illicit, illicit business, impermissible, irregular, justiciable, lawless, loan-sharking, moonshine, moonshining, narcotics traffic, nonconstitutional, nonlegal, nonlicit, organized crime, outlaw, outlawed, prostitution, protection racket, punishable, push, racket, shady dealings, shove, the rackets, the syndicate, traffic in women, triable, unallowed, unauthorized, unconstitutional, under-the-counter, under-the-table, unlawful, unofficial, unstatutory, unwarrantable, unwarranted, usury, white slavery, wrongful