low-key . low-key {adj.} Relaxed and easygoing. Surprisingly, dinner with the governor was a low-key affair. Categories: add yours {adj.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: L Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry