mouth-watering . mouth-watering {adj.} Smelling or looking very good to eat. It was a mouth-watering meal. Categories: add yours {adj.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: M Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss