wallboard

noun

wall·​board ˈwȯl-ˌbȯrd How to pronounce wallboard (audio)
: a structural boarding of any of various materials (such as wood pulp, gypsum, or plastic) made in large rigid sheets and used especially for sheathing interior walls and ceilings

Examples of wallboard 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.
In 2024, the country consumed about 28 billion square feet of wallboard. — Jay L. Zagorsky, The Conversation, 4 Apr. 2025 There are wallboards with much better water resistance, such as cement board or magnesium oxide board. — Jamie Gold, Forbes, 8 Oct. 2024 The black oxide coating both reduces friction and resists rust, and the drill bits can handle wood, metal, plastics, wallboard, and fiberglass. — Boutayna Chokrane, WIRED, 3 Dec. 2024 The heavy 4-by-8-foot sheets, also known as wallboard, sheetrock, gypsum or plasterboard, have been a cheap and ubiquitous wall covering for nearly a century. — David McGrath, Chicago Tribune, 1 Jan. 2026 See All Example Sentences for wallboard

Word History

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of wallboard was in 1906

Rhymes for wallboard

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Browse Nearby Words

wall bee
wallboard
wall box
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Cite this Entry

“Wallboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wallboard. Accessed 8 Jul. 2026.

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Kids Definition

wallboard

noun
wall·​board ˈwȯl-ˌbō(ə)rd How to pronounce wallboard (audio)
-ˌbȯ(ə)rd
: a building material (as of wood pulp, gypsum, or plastic) made in large stiff sheets and used especially for inside walls and ceilings

More from Merriam-Webster on wallboard

Britannica.com: Encyclopedia article about wallboard

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