Breadcrumb Home > Dictionary > Index D Darius I: Meaning and Definition of Find definitions for: Da•ri•us I Pronunciation: (du-rī'us), [key] — (Darius Hystaspes) (“the Great”) 558?–486? b.c., king of Persia 521–486. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dariole Darius II 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: punctilio Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language