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omission

omission

51 5.4
A thing someone leaves out, often by mistake
  • noun
  • /əˈmɪʃən/
translation icon : omisión
  • Even Lon was ignored, and though both of them noticed the omission, neither mentioned it.
  • errors or omissions
  • substitutions and omissions
  • additions and omissions

So you lied by omission, right?

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Examples

  • It has errors and omissions and it's not available at the state or local level.

  • Perhaps the only reason a proposal failed was the omission of a tax ID number.

    Academic text (2011)
  • The regrets are typically acts of omission, not things they tried and failed at.

  • The distribution, number, and importance of the acts of omission throughout Dubliners are remarkable.

    Academic text (1991)
  • If there are any folks I've forgotten, please forgive the omission; it's not intentional!

    Academic text (2011)
  • Just as in the advice about children's education, a glaring omission is any advice on leisure time.

    Academic text (1990)
  • The report was rejected due to the omission of crucial data that could have changed the results.

  • Her omission of important details during the meeting led to misunderstandings among the team.

  • Failing to mention the deadline was an oversight; this omission caused us to miss our target.

Synonyms

cut
vsomission
4.0

A change made to a film, book or budget by removing parts

is broader, referring to any left-out item not just organized cuts
absence
vsomission
216 2.1

A lack of someone or something that should be there

refers to an act of leaving something out rather than a mere state
oversight
vsomission
30 4.7

A small mistake that someone does not notice

can be either deliberate or accidental rather than only unintentional
deletion
vsomission
8 4.2

A person removes words or parts of a text when editing

covers leaving things out in any context, not only editorial removal
ellipsis
vsomission
  • Specialized
2 5.8

Leaving out words from a sentence so the meaning is still clear

is more general and applies beyond missing words in sentences
elision
vsomission
1 8.9

Leaving out something on purpose, often facts or details

can also happen accidentally rather than only when done deliberately
pretermission
vsomission
  • Archaic
9.9

The act of leaving something out on purpose or by mistake

is the general act of leaving something out, sometimes by mistake

Antonyms

293 1.4

The act of putting one thing with another

11 3.7

An extra thing that is part of a larger item or package

How Serious

neglect
100 3.5
error
306 1.0
omission
51 5.4
oversight
30 4.7

Surface Forms

omission singular
omissions plural

Morphology

omission = omit (transparent) = omit + ion

The noun is a regular nominalization of the verb 'omit' using the productive suffix '-ion', with a predictable spelling change (t→ss).

Etymology

Omission comes from an old Latin word made of ob- 'away' and mittere 'to send'. Think of mission, which has the same mit root meaning 'send'; an omission is something 'sent away' or left out, so it means the act of leaving something out.