Superfund(redirected from U.S. Superfund)
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Related to U.S. Superfund: Superfund Act
(Banking & Finance) an extremely large fund
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|Noun||1.||Superfund - the federal government's program to locate and investigate and clean up the worst uncontrolled and abandoned toxic waste sites nationwide; administered by the Environmental Protection Agency; "some have intimated that the Superfund's money may have turned into a political slush fund"|