into effect . into effect {adv. phr.} Into use or operation. The new rule was put into effect at once. The judge ordered the old suspended penalty into effect. Categories: add yours {adv. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: I Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment