[zawr-oh-as-tree-uh n, zohr-]
  1. one of the adherents of Zoroastrianism.

Origin of Zoroastrian

1735–45; < Latin Zōroastr(ēs) (< Greek Zōroástrēs < Avestan zaraθuštra Zarathustra) + -ian
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British Dictionary definitions for zoroastrian


  1. of or relating to Zoroastrianism or Zoroaster
  1. a follower of Zoroaster or adherent of Zoroastrianism: in modern times a Gabar or a Parsee
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 zoroastrian


1743, from Zoroaster, from Latin Zoroastres, from Old Persian Zarathushtra, 6c. or 7c. B.C.E. Persian religious teacher. The name appears to be literally "whose camels are old," from *zarant "old" (cognate with Greek geron, genitive gerontos "old;" see gerontology) + ushtra "camel."

Online Etymology Dictionary, © 2010 Douglas Harper