deletion

noun

de·​le·​tion di-ˈlē-shən How to pronounce deletion (audio)
dē-
Synonyms of deletionnext
1
: the act of deleting
2
a
: something deleted
b(1)
: the absence of a section of genetic material from a gene or chromosome
(2)
: the mutational process that results in a deletion

Examples of deletion in a Sentence

one of the deletions from the final cut of the movie turned out to be my one line of dialogue
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In 2021, the EPA pursued a partial deletion from the National Priorities List, which was awarded after receiving public comments. Maya Wilkins, Chicago Tribune, 26 Mar. 2026 Under the law, these brokers must register with the California Privacy Protection Agency annually, process deletion requests submitted through DROP, and undergo audits to ensure compliance. Larry Magid, Mercury News, 26 Mar. 2026 If the law passes, social media platforms would need to create a mechanism by which former child influencers could request deletion. Kate Wolffe, Sacbee.com, 25 Mar. 2026 Apple does not send emails threatening immediate deletion of iCloud data because of a billing issue. Kurt Knutsson, FOXNews.com, 19 Mar. 2026 See All Example Sentences for deletion

Word History

Etymology

Latin deletion-, deletio destruction, from delēre

First Known Use

1590, in the meaning defined at sense 1

Time Traveler
The first known use of deletion was in 1590

Browse Nearby Words

Cite this Entry

“Deletion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deletion. Accessed 31 Mar. 2026.

Medical Definition

deletion

noun
de·​le·​tion di-ˈlē-shən How to pronounce deletion (audio)
1
: the absence of a section of genetic material from a gene or chromosome
2
: the mutational process that results in a deletion

More from Merriam-Webster on deletion

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster