[ oh-mish-uhn ]
See synonyms for omission on
  1. the act of omitting.

  2. the state of being omitted.

  1. something left out, not done, or neglected: an important omission in a report.

Origin of omission

1350–1400; Middle English <Late Latin omissiōn- (stem of omissiō), equivalent to omiss(us) (past participle of omittere to let go; see omit) + -iōn--ion; see mission

Other words from omission

  • non·o·mis·sion, noun
  • pre·o·mis·sion, noun

Words that may be confused with omission

Words Nearby omission Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use omission in a sentence

British Dictionary definitions for omission


/ (əʊˈmɪʃən) /

  1. something that has been omitted or neglected

  2. the act of omitting or the state of having been omitted

Origin of omission

C14: from Latin omissiō, from omittere to omit

Derived forms of omission

  • omissive, adjective
  • omissiveness, noun

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