out in force out in force {adv. phr.} Present in very large numbers; en masse. On the Fourth of July the police cars are out in force in the Chicago area. Categories: add yours {adv. phr.} 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 Add my comment