[ oh-mish-uh n ]
/ oʊˈmɪʃ ən /


the act of omitting.
the state of being omitted.
something left out, not done, or neglected: an important omission in a report.

Nearby words

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

Related forms

non·o·mis·sion, nounpre·o·mis·sion, noun

Can be confused

commission omission Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for omission

British Dictionary definitions for omission


/ (əʊˈmɪʃən) /


something that has been omitted or neglected
the act of omitting or the state of having been omitted

Derived Forms

omissive, adjectiveomissiveness, noun

Word Origin for omission

C14: from Latin omissiō, from omittere to omit
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