black money


noun

income earned surreptitiously or illegally, usually in cash, and not reported to the government so as to avoid paying taxes on it.

Origin of black money

First recorded in 1965–70

British Dictionary definitions for black money

black money

noun

that part of a nation's income that relates to its black economy
any money that a person or organization acquires illegally, as by a means that involves tax evasion
US money to fund a government project that is concealed in the cost of some other project