/ Dictionary / Index Z Zoroastrian: Meaning and Definition of Find definitions for: Zo•ro•as•tri•an Pronunciation: (zôr"ō-as'trē-un, zōr"-), [key] — adj. of or pertaining to Zoroaster or to Zoroastrianism. —n. one of the adherents of Zoroastrianism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zoroastrian (Thesaurus) Zoroaster Zoroastrianism Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language