none too none too {adv.} Not very; not at all. The doctor arrived none too soon as Lucy's fever was alarmingly high. Categories: add yours add yours {adv.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: N Subscribe to: American Idioms► Also consider the parent subscriptions (3)Idioms feedEnglish languageHome page and general feed Post my comment Post my comment