half-holiday . half-holiday {n.} A day on which you get out of school or work in the afternoon. The principal said that Tuesday would be a half-holiday. Categories: add yours {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: H Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss