Origin of orthodox

1575–85; < Late Latin orthodoxus right in religion < Late Greek orthódoxos, equivalent to ortho- ortho- + dóx(a) belief, opinion + -os adj. suffix
Related formsor·tho·dox·ly, adverbor·tho·dox·ness, nounan·ti·or·tho·dox, adjectivean·ti·or·tho·dox·ly, adverbhy·per·or·tho·dox, adjectivenon·or·tho·dox, adjectivenon·or·tho·dox·ly, adverbpro-or·tho·dox, adjectivesem·i·or·tho·dox, adjectivesem·i·or·tho·dox·ly, adverbul·tra·or·tho·dox, adjectiveun·or·tho·dox, adjective

Synonyms for orthodox

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Contemporary Examples of ultra-orthodox

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British Dictionary definitions for ultra-orthodox



conforming with established or accepted standards, as in religion, behaviour, or attitudes
conforming to the Christian faith as established by the early Church
Derived Formsorthodoxly, adverb

Word Origin for orthodox

C16: via Church Latin from Greek orthodoxos, from orthos correct + doxa belief



of or relating to the Orthodox Church of the East
(sometimes not capital)
  1. of or relating to Orthodox Judaism
  2. (of an individual Jew) strict in the observance of Talmudic law and in personal devotions
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 ultra-orthodox



mid-15c., of opinions, faith, from Late Latin orthodoxus, from Greek orthodoxos "having the right opinion," from orthos "right, true, straight" (see ortho-) + doxa "opinion, praise," from dokein "to seem," from PIE root *dek- "to take, accept" (see decent). As the name of the Eastern Church, first recorded in English 1772; in reference to a branch of Judaism, first recorded 1853.

Online Etymology Dictionary, © 2010 Douglas Harper