markup language

noun

: a system (such as HTML or SGML) for marking or tagging a document that indicates its logical structure (such as paragraphs) and gives instructions for its layout on the page especially for electronic transmission and display

Examples of markup language in a Sentence

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.
To work around this, LLM hackers turned to markup language, which, among other things, allows users to add formatting elements such as headings, lists, and links to text without the need for HTML tags. Dan Goodin, ArsTechnica, 16 June 2026 At the top of the stack—the surface most of us encounter first—are simple markup languages, HTML being the best known. Scott Gilbertson, WIRED, 8 Apr. 2024 The eventual vision is that AI would be used to assist both parties in negotiating, interpret markup language from counterparties, and rapidly create consensus among all parties to a contract. Tom Davenport, Forbes, 17 May 2022

Word History

First Known Use

1980, in the meaning defined above

Time Traveler
The first known use of markup language was in 1980

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Cite this Entry

“Markup language.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/markup%20language. Accessed 5 Jul. 2026.

Kids Definition

markup language

noun
: a system (as HTML) for marking or tagging a document that indicates its logical structure (as paragraphs) and gives instructions for its layout on the page especially for electronic transmission and display
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