down payment . down payment {n.} A retainer paid to a prospective seller. How much of a down payment do you require for this new car? Categories: add yours {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: D Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Leave my opinion