prelude UK /ˈpɹɛljuːd/US /ˈpɹeɪl(j)uːd/noun 4verb 2forms 4 noun4 •An introductory or preliminary performance or event.Adam Schiff, a Democratic senator from California, called it a “very dangerous escalation and a prelude to potential conflict”. — 2025 •(figurative) A forerunner to anything.Swimmings of the head and intestinal pains seemed the prelude of dissolution. — 1869 •A short, free-form piece of music, originally one serving as an introduction to a longer and more complex piece; later, starting with the Romantic period, generally a stand-alone piece. •A standard module or library of subroutines and functions to be imported, generally by default, into a program. verb2 •To introduce something, as a prelude. •To play an introduction or prelude; to give a prefatory performance.The musicians preluded on their instruments. — 1821 formspreluded · preluding · preludes · preludeth