omis·​sion | \ ō-ˈmi-shən How to pronounce omission (audio) , ə- \

Definition of omission

1a : something neglected or left undone There are a few omissions in the list.
b : apathy toward or neglect of duty The police officer was reprimanded for the omission of his duty to inform the suspect of his rights.
2 : the act of omitting : the state of being omitted Her omission from the team was surprising.

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Synonyms for omission


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Examples of omission in a Sentence

There are a few omissions in the list. the disk contains a selection of deleted scenes, and a couple of the omissions greatly add to the intelligibility of the movie's plot
Recent Examples on the Web The Monuments Project will also have to grapple with a hard reality: that some portion of the population will never yield in its fidelity to a racist history, riddled with errors of historical omission and overt white supremacy. Washington Post, "With $250 million initiative, Mellon Foundation wades into monuments controversy, hoping for positive change," 6 Oct. 2020 And in that sense, their collections and the sins of omission enshrined therein speak to the very essence of the current problem. Vanessa Friedman, New York Times, "The Incredible Whiteness of the Museum Fashion Collection," 29 Sep. 2020 Each book has been born out of an omission left by another, and each has created spaces for more books to arise. Sam Sacks, WSJ, "‘Jack’ Review: Far From the Fold," 25 Sep. 2020 Most have avoided recognizing Biden as the president-elect, an omission that would have been unthinkable under previous Republican presidents. Mattathias Schwartz, New York Times, "Want to Inherit the G.O.P.? Be Prepared to Dance Around the Truth," 24 Nov. 2020 Such an omission could have put your family at risk. Judith Martin, Washington Post, "Miss Manners: Cousin’s lack of immediate disclosure rankles," 4 Nov. 2020 But she’s also been accused of being frivolous and out of touch, of creating worlds that speak solely for and to white upper-class women, eschewing themes of class and race that speak volumes by omission in her work. Anne Cohen,, "Where To Stream Every Sofia Coppola Movie After On The Rocks, Because We All Need A Stylish Escape," 23 Oct. 2020 His ethical obligation to his patient is in direct conflict with the basic moral imperative not to lie, by omission or otherwise. James Hamblin, The Atlantic, "The President’s Doctor Is Doing Harm," 6 Oct. 2020 Climate change, an unfathomable omission given the existential stakes. Caitlin Kelly, Wired, "How to Watch the First 2020 Presidential Debate," 28 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'omission.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of omission

14th century, in the meaning defined at sense 1a

History and Etymology for omission

Middle English omissioun, from Anglo-French omission, from Late Latin omission-, omissio, from Latin omittere

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Time Traveler for omission

Time Traveler

The first known use of omission was in the 14th century

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Statistics for omission

Last Updated

13 Jan 2021

Cite this Entry

“Omission.” Dictionary, Merriam-Webster, Accessed 15 Jan. 2021.

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More Definitions for omission


How to pronounce omission (audio)

English Language Learners Definition of omission

: something that has not been included or done : something that has been omitted
: the act of not including or doing something
: the state of being not included in something


omis·​sion | \ ō-ˈmi-shən How to pronounce omission (audio) \

Kids Definition of omission

1 : something left out There are some omissions in the list.
2 : the act of leaving out : the state of being left out I'm sorry for the omission of your name on the list.


omis·​sion | \ ō-ˈmi-shən How to pronounce omission (audio) \

Legal Definition of omission

1 : something neglected, left out, or left undone
2 : the act, fact, or state of leaving something out or failing to do something especially that is required by duty, procedure, or law liable for a criminal act or omission

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