de·​le·​tion | \di-ˈlē-shən, dē-\

Definition of deletion 

1 : the act of deleting

2a : 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

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Synonyms for deletion


elision, omission

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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

For example, regulations mandate the deletion of much data to ensure individual privacy. J.j. Plecs And John H. Cochrane, WSJ, "Imagine What We Could Cure," 25 Nov. 2018 Facebook recently extended the deletion grace period for terminating your main account from 14 to 30 days, the company confirmed to The Verge. Nick Statt, The Verge, "Facebook extends account deletion grace period from 14 to 30 days," 3 Oct. 2018 So, maybe her friend is to blame for the pic's deletion? Carolyn Twersky, Seventeen, "Selena Gomez Just Deleted Her Most Liked Instagram and No One Knows Why," 21 Sep. 2018 This means that Whelan’s tweets, even after their deletion, could continue to do real damage to the reputation of a seemingly innocent American. Zack Beauchamp, Vox, "Ed Whelan’s tweets have created a second Kavanaugh scandal," 21 Sep. 2018 Hot weather forced a deletion from Friday night’s concert by the Grant Park Orchestra, narrowing an Eastern European program to an all-Czech evening that had cellist Johannes Moser as its star. Alan Artner,, "In the heat, Moser, Grant Park Orchestra perform a delicate Dvorak," 30 June 2018 Once birth photographers started to realize that certain kinds of birth photos triggered a deletion, or led to an account’s ban or removal, many began to self-censor, and use workarounds—editing tools and warning labels— to protect themselves. Allison Yarrow, Harper's BAZAAR, "The Childbirth Photos Instagram Didn't Want You to See," 11 May 2018 Favorite cross-platform tool free CCleaner for PCs and Macs also has an option for secure deletion of files. Kim Komando, USA TODAY, "10 insider tricks to keep hackers and scammers from stealing from you," 22 June 2018 But that expiration timer is for marking new messages for deletion. Timothy B. Lee, Ars Technica, "Hours after Zuck deletion scandal, Facebook announces new unsend feature," 6 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deletion.' 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 deletion

1590, in the meaning defined at sense 1

History and Etymology for deletion

Latin deletion-, deletio destruction, from delēre

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Statistics for deletion

Last Updated

13 Dec 2018

Look-up Popularity

Time Traveler for deletion

The first known use of deletion was in 1590

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More Definitions for deletion


de·​le·​tion | \di-ˈlē-shən \

Kids Definition of deletion

1 : an act of taking out The deletion of the file was a mistake.

2 : something taken out


de·​le·​tion | \di-ˈlē-shən \

Medical Definition of deletion 

1 : the absence of a section of genetic material from a gene or chromosome

2 : the mutational process that results in a deletion

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More from Merriam-Webster on deletion

Rhyming Dictionary: Words that rhyme with deletion

Thesaurus: All synonyms and antonyms for deletion

Spanish Central: Translation of deletion

Nglish: Translation of deletion for Spanish Speakers Encyclopedia article about deletion

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