/ Dictionary / Index P prolegomenous: Meaning and Definition of Find definitions for: pro•le•gom•e•nous Pronunciation: (prō"li-gom'u-nus), [key] — adj. prefatory; preliminary; introductory. characterized by unnecessary or lengthy prologuizing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prolegomenon prolepsis Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language