noun, plural or·tho·dox·ies for 1.

orthodox belief or practice.
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.
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British Dictionary definitions for unorthodoxy


noun plural -doxies

orthodox belief or practice
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