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See more synonyms for heterodox on Thesaurus.com
  1. not in accordance with established or accepted doctrines or opinions, especially in theology; unorthodox.
  2. holding unorthodox doctrines or opinions.
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Origin of heterodox

1610–20; < Greek heteródoxos of another opinion, equivalent to hetero- hetero- + dóx(a) opinion (Compare dokeîn to think, suppose) + -os adj. suffix
Related formshet·er·o·dox·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

dissident, doubtful, iconoclastic, skeptical

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British Dictionary definitions for heterodox


  1. at variance with established, orthodox, or accepted doctrines or beliefs
  2. holding unorthodox opinions
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Derived Formsheterodoxy, noun

Word Origin

C17: from Greek heterodoxos holding another opinion, from hetero- + doxa opinion
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 heterodox


1630s, from Greek heterodoxos, from heteros "the other" (see hetero-) + doxa "opinion," from dokein "to appear, seem, think" (see decent).

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Online Etymology Dictionary, © 2010 Douglas Harper