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.
On New Year’s Day, a government website opened to let Californians demand that more than 500 intermediaries called data brokers wipe their personal information from the data on sale and regularly repeat those deletions in the future. Shira Ovide, Washington Post, 2 Jan. 2026 The biggest noise around the roster unveiling will undoubtedly surround former Norris Trophy winner Adam Fox’s deletion after a tough 4 Nations tournament and not selecting the second-leading goal-scoring American, Jason Robertson. Michael Russo, New York Times, 2 Jan. 2026 The Times analyzed seven drafts of the report obtained through a records request and disclosed the significant deletions and revisions. Paul Pringle, Los Angeles Times, 31 Dec. 2025 Time Machine automatically backs up your files to an external drive or network disk, keeping your data safe from ransomware, hardware failure or accidental deletion. Kurt Knutsson, FOXNews.com, 13 Nov. 2025 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 10 Jan. 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

Last Updated: - Updated example sentences
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