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
Words nearby black money
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