/ Dictionary / Index P premillennial: Meaning and Definition of Find definitions for: pre•mil•len•ni•al Pronunciation: (prē"mi-len'ē-ul), [key] — adj. of or pertaining to the period preceding the millennium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. premillenarian premillennialism Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language