Omission
noun ·Common ·High school level
Definitions
- 1 The act of omitting. uncountable
"Scots was not ‘banned’ outright — impossible anyway with so many Scots-speaking teachers but, like Gaelic, marginalised by omission."
- 2 a mistake resulting from neglect wordnet
- 3 The act of neglecting to perform an action one has an obligation to do. uncountable
"E&O insurance (for errors and omissions) covers both errors of commission and errors of omission."
- 4 neglecting to do something; leaving out or passing over something wordnet
- 5 An instance of those acts, or the thing left out thereby; something deleted or left out. countable
"The suspicious omissions in the new edition of the book attracted claims of censorship."
Show 4 more definitions
- 6 any process whereby sounds or words are left out of spoken words or phrases wordnet
- 7 Something not done or neglected. countable, uncountable
"The lack of a sponge count was an omission by the surgical team."
- 8 something that has been omitted wordnet
- 9 The shortening of a word or phrase, using an apostrophe ( ' ) to replace the missing letters, often used to approximate the sound of speech or a specific dialect. countable, uncountable
Antonyms
All antonymsExample
More examples"Omission is a perfectly good example of an expression technique, and is brought up in many grammar books."
Etymology
From Middle English omissioun, from Old French omission, from Late Latin omissio, omissionem, from Latin omitto.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.