Definition of "lead up"
lead up
noun
plural lead ups
Quotations
As a result, the congressional report examining intelligence flaws in the lead up to the September 11 attacks concluded that "the U.S. Government does not presently bring together in one place all terrorism-related information from all sources."
2007, Monte Palmer, Princess Palmer, At the Heart of Terror: Islam, Jihadists, and America's War on Terrorism