Zoroastrian

1 of 2

adjective

Zo·​ro·​as·​tri·​an ¦zōrə¦wastrēən How to pronounce Zoroastrian (audio)
¦zȯr-
-rō¦a-
-aas-
: of or relating to Zoroaster or Zoroastrianism

Zoroastrian

2 of 2

noun

"
plural -s
: an adherent of Zoroastrianism compare gabar , parsi

Word History

Etymology

Adjective

Zoroaster, flourished about 6th century b.c. founder of Zoroastrianism (from Latin Zoroastres, from Greek Zōroastrēs, from Avestan Zarāthushtra-) + English -an

First Known Use

Adjective

1743, in the meaning defined above

Noun

1811, in the meaning defined above

Time Traveler
The first known use of Zoroastrian was in 1743

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Cite this Entry

“Zoroastrian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Zoroastrian. Accessed 16 Dec. 2025.

Kids Definition

Zoroastrian

adjective
Zo·​ro·​as·​tri·​an
ˌzōr-ə-ˈwas-trē-ən
: of or relating to the Persian prophet Zoroaster or the religion founded by him and marked by belief in a great war between good and evil in the universe
Zoroastrian noun
Zoroastrianism
-trē-ə-ˌniz-əm
noun
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