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

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 Again, there's no word yet from Miley herself regarding the deletion, so theories regarding the decision remain just speculation at this point. Lauren Rearick, Teen Vogue, "Miley Cyrus Deletes All Instagram Posts, Including Those with Liam Hemsworth," 13 July 2018 Unfortunately, like many people with a 17p deletion, the transplant didn’t stick. Karen Weintraub, STAT, "Once quickly lethal and still humbling, multiple myeloma may be in a ‘golden age’ of treatment," 29 May 2018 The deletion was made — and not announced to most lawmakers — in a measure dealing with regulation of fantasy sports. Tom Schad, USA TODAY, "Your state-by-state guide to sports betting in light of Supreme Court ruling," 14 May 2018 Server, literally having top secret classified special access program information on an -- mishandled it, destroyed it, covered it up, obstructed after subpoena deletions and all of that. Fox News, "Hannity: How we got to this point with North Korea," 9 June 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

20 Sep 2018

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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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Comments on deletion

What made you want to look up deletion? Please tell us where you read or heard it (including the quote, if possible).


one that holds something together

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