not conforming to rules, traditions, or modes of conduct, as of a doctrine, religion, or philosophy; not orthodox: an unorthodox ideology.

Origin of unorthodox

Related formsun·or·tho·dox·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for unorthodox



not conventional in belief, behaviour, custom, etc
Derived Formsunorthodoxly, adverb
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 unorthodox

1650s, from un- (1) "not" + orthodox.

Online Etymology Dictionary, © 2010 Douglas Harper