begin with begin with {adv. phr.} As a preliminary statement; in the first place. To begin with, you are far too young to get married. Categories: add yours add yours {adv. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: B Subscribe to: American Idioms► Also consider the parent subscriptions (3)Idioms feedEnglish languageHome page and general feed Add my comment Add my comment