[ zawr-oh-as-tree-uh-niz-uhm, zohr- ]
/ ˌzɔr oʊˈæs tri əˌnɪz əm, ˌzoʊr- /
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an Iranian religion, founded c600 b.c. by Zoroaster, the principal beliefs of which are in the existence of a supreme deity, Ahura Mazda, and in a cosmic struggle between a spirit of good, Spenta Mainyu, and a spirit of evil, Angra Mainyu.
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The rainy weather could not ________ my elated spirits on my graduation day.
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Sometimes Zo·ro·as·trism [zawr-oh-as-triz-uhm, zohr-] /ˌzɔr oʊˈæs trɪz əm, ˌzoʊr-/ .
Also called Mazdaism.

Origin of Zoroastrianism

First recorded in 1850–55; Zoroastrian + -ism

Words nearby Zoroastrianism

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use Zoroastrianism in a sentence

British Dictionary definitions for Zoroastrianism



/ (ˌzɒrəʊˈæstrɪənˌɪzəm) /

the dualistic religion founded by the Persian prophet Zoroaster in the late 7th or early 6th centuries bc and set forth in the sacred writings of the Zend-Avesta. It is based on the concept of a continuous struggle between Ormazd (or Ahura Mazda), the god of creation, light, and goodness, and his arch enemy, Ahriman, the spirit of evil and darkness, and it includes a highly developed ethical codeAlso called: Mazdaism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012