omission

noun

omis·​sion ō-ˈmi-shən 

ə-

1

a

: 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.

Synonyms of omission

• deletion

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

This omission leaves citizens less able to evaluate democratic systems as fair or representative and more vulnerable to misinformation and disenfranchisement. — Ismar Volić, Washington Post, 8 Nov. 2026

Deadline can report on Perry’s omission for the first time following reporting restrictions being lifted after the trial concluded on Thursday afternoon. — Jake Kanter, Deadline, 6 Nov. 2026

Although the panel lacks touch support and is limited to a 60Hz refresh rate, neither omission is a deal-breaker on a budget model. — Charles Jefferies, PC Magazine, 31 Oct. 2026

In response to the Budget’s omission, Weir highlighted that the UK remains the only major European market without this policy in place. — Joe Bobowicz, Vogue, 29 Oct. 2026

Word History

Etymology

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

First Known Use

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

Rhymes for omission

• addition
• admission
• ambition
• attrition
• audition
• clinician
• cognition
• coition
• commission
• condition
• contrition
• dentition

Kids Definition

omission

noun

omis·​sion ō-ˈmish-ən 

ə-

1

: something omitted

2

: the act of omitting : the state of being omitted

Legal Definition

omission

noun

omis·​sion ō-ˈmi-shən 

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