at the outside at the outside {adv. phr.} Maximally; at the utmost. This old house can cost no more than $40,000 at the outside. Categories: add yours {adv. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: A Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment