• synonyms


[zawr-oh-as-tree-uh-niz-uh m, zohr-]
  1. 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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Sometimes Zo·ro·as·trism [zawr-oh-as-triz-uh m, zohr-] /ˌzɔr oʊˈæs trɪz əm, ˌzoʊr-/.

Origin of Zoroastrianism

First recorded in 1850–55; Zoroastrian + -ism
Also called Mazdaism.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for zoroastrianism



  1. 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
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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

Word Origin and History for zoroastrianism



1854, from Zoroastrian + -ism.

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Online Etymology Dictionary, © 2010 Douglas Harper