# omission

> English word · Noun · IPA /əˈmɪʃən/ · frequency rank #19,650

## Definitions
1. The act of omitting.
2. The act of neglecting to perform an action one has an obligation to do.
3. An instance of those acts, or the thing left out thereby; something deleted or left out.
4. Something not done or neglected.
5. 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.

## Etymology
From Middle English omissioun, from Old French omission, from Late Latin omissio, omissionem, from Latin omitto.

## Common misspellings (10)
`moission`, `oimssion`, `omision`, `omisison`, `omissino`, `omissionn`, `omissoin`, `omistion`, `ommission`, `omsision`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/omission