smooth down . smooth down {v.} To make calm; calm down. Mrs. Smith's feelings were hurt and we couldn't smooth her down. Categories: add yours add yours hurt {v.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: S Subscribe to: American Idioms► Also consider the parent subscriptions (3)Idioms feedEnglish languageHome page and general feed Post my comment Post my comment