WordReference Random House Unabridged Dictionary of American English © 2026
pro•logu•ize
(prō′lô gīz′, -lo-),USA pronunciation v.i., -ized, -iz•ing.
[esp. Brit.,] pro′logu•ise′.
pro′logu•iz′er, n.
- to compose or deliver a prologue.
[esp. Brit.,] pro′logu•ise′.
- prologue + -ize 1755–65