[in-uh b-zur-vuh ns]
See more synonyms for inobservance on
  1. lack of attention; inattention; heedlessness: drowsy inobservance.
  2. failure to observe a custom, rule, law, or the like; nonobservance: inobservance of the Sabbath.

Origin of inobservance

From the Latin word inobservantia, dating back to 1605–15. See in-3, observance
Related formsin·ob·serv·ant, adjectivein·ob·serv·ant·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for inobservant


  1. heedlessness
  2. lack of compliance with or adherence to a law, religious duty, etc
Derived Formsinobservant, adjectiveinobservantly, 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 inobservant

1660s, from Latin inobservantem (nominative inobservans) "inattentive, negligent," from in- "not" (see in- (1)) + observans (see observance).

Online Etymology Dictionary, © 2010 Douglas Harper