old world . old world {n. phr.} Europe, the continent; a continental manner. Tom had an old world manner that thoroughly charmed all the ladies. Compare: OLD COUNTRY. Categories: add yours world {n. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: O Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment