deletion

noun

de·​le·​tion di-ˈlē-shən 

dē-

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

Synonyms of deletion

• omission

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

Florida’s Digital Bill of Rights recognizes sensitive biometric information, but its comprehensive access, deletion and opt-out rights target a narrow class of very large advertising and technology businesses. — Burak Oktenli, The Orlando Sentinel, 3 Nov. 2026

Aston Martin’s design department had to completely rework the sculptural two-seater’s aerodynamics to account for its deletion. — Bryan Hood, Robb Report, 28 Oct. 2026

According to OpenAI, the deletion cannot be undone, and its support team cannot recover the content. — Fernanda Tronco, Fortune, 23 Oct. 2026

For broader deletion, Muse offers additional controls, including a feature called Reset Muse. — Kurt Knutsson, FOXNews.com, 23 Oct. 2026

Word History

Etymology

Latin deletion-, deletio destruction, from delēre

First Known Use

1590, in the meaning defined at sense 1

Rhymes for deletion

• accretion
• completion
• concretion
• depletion
• excretion
• repletion
• secretion
• carburetion
• grecian
• hypersecretion

Medical Definition

deletion

noun

de·​le·​tion di-ˈlē-shən 

1

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

2

: the mutational process that results in a deletion