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noun, plural or·tho·dox·ies for 1.
  1. orthodox belief or practice.
  2. orthodox character.

Origin of orthodoxy

1620–30; < Late Latin orthodoxia < Greek orthodoxía right opinion, equivalent to orthódox(os) (see orthodox) + -ia -y3
Related formsan·ti·or·tho·dox·y, nounhy·per·or·tho·dox·y, nounpro-or·tho·dox·y, adjectiveun·or·tho·dox·y, noun, plural un·or·tho·dox·ies.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unorthodoxy

Historical Examples

  • He was, however, banished for unorthodoxy and died at Lampsacus aged 72.

    The Apologia and Florida of Apuleius of Madaura

    Lucius Apuleius

  • But unorthodoxy in the realm of politics is still frowned upon.

    The Coming of Coal

    Robert W. Bruere

  • The association of the name of Copernicus with that of Galileo has always cast an air of unorthodoxy about the great astronomer.

  • Because, if both orthodoxy and unorthodoxy go wrong, what is a poor human woman to do?

  • From this it would seem that heresy and unorthodoxy had already made its appearance in the diocese.

    Irish Witchcraft and Demonology</p>

    St. John D. (St. John Drelincourt) Seymour

British Dictionary definitions for unorthodoxy


noun plural -doxies
  1. orthodox belief or practice
  2. the quality of being orthodox
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 unorthodoxy


1704, from unorthodox + -y (1).



1620s, from French orthodoxie and directly from Late Latin orthodoxia, from late Greek orthodoxia "right opinion," noun of quality from orthodoxos (see orthodox).

Online Etymology Dictionary, © 2010 Douglas Harper

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