on the eve of . on the eve of {prep.} Just before (an event). On the eve of the election, the president proposed a plan to cut taxes. Categories: add yours {prep.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: O Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Leave my opinion