Breadcrumb Home > Dictionary > Index J Justinian I: Meaning and Definition of Find definitions for: Jus•tin•i•an I Pronunciation: ( ju-stin'ē-un), [key] — (Flavius Anicius Justinianus) (“Justinian the Great”) a.d. 483–565, Byzantine emperor 527–565. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Justine Justinian Code TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: spurious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language