sanctimonious [sangk-t uh- moh-nee- uh s] Word Origin See more synonyms for sanctimonious on Thesaurus.com making a hypocritical show of religious devotion, piety, righteousness, etc.: They resented his sanctimonious comments on immorality in America. . Obsolete holy; sacred. Related forms sanc·ti·mo·ni·ous·ly, adverb sanc·ti·mo·ni·ous·ness, noun non·sanc·ti·mo·ni·ous, adjective non·sanc·ti·mo·ni·ous·ly, adverb non·sanc·ti·mo·ni·ous·ness, noun un·sanc·ti·mo·ni·ous, adjective un·sanc·ti·mo·ni·ous·ly, adverb un·sanc·ti·mo·ni·ous·ness, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for unsanctimonious affecting piety or making a display of holiness Derived Forms sanctimoniously, adverb sanctimoniousness, noun sanctimony, noun Word Origin
C17: from Latin
sanctimonia sanctity, from sanctus holy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for unsanctimonious sanctimonious adj.
c.1600 (in "Measure for Measure," with the disparaging sense "making a show of sanctity, affecting an appearance of holiness"), from
sanctimony + -ous. The un-ironic, literal sense was used occasionally in English from c.1600 to c.1800. Related: Sanctimoniously; sanctimoniousness.
Online Etymology Dictionary, © 2010 Douglas Harper