gilt-edged . gilt-edged {adj.} Of the highest quality. Government saving bonds are considered by many to be a gilt-edged investment. Categories: add yours {adj.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: G Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment