variants or less commonly buildout
plural build-outs also buildouts
1
a
: work done to make a structure or system ready for use or to bring a construction or development project to a completed state
When the build-out of the campus is complete, as many as 7,500 students will attend class there.—Janis L. Magin
b
: work done to expand a system (such as a telecommunications system)
The buildout of new infrastructure for digital cellular telephony is at such an early stage that it's impossible to predict what the performance of some of the systems will be.—Brian C. Fenton
c
: a project or process involving such work
Of course, the Chinese are traveling and spending more in their own country too, in part because of a gigantic infrastructure build-out; China will have constructed more high-speed-rail capacity by the end of the decade than is currently operating in the rest of the world, some 10,000 miles' (16,000 km) worth.—Bill Saporito
2
: a state in which an area has been fully developed
At build-out, the community is planned to include retail, restaurant and office space, a hotel, urban-style and loft apartments, townhomes, and condominiums.—The Flower Mound (Texas) Leader

Examples of build-out 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.
The month has been rocky for the AI trade, with investors paying close attention to companies' spending around the build-out. — Sean Conlon,justina Lee,deena Zaidi, CNBC, 29 Oct. 2026 As investors clamor for ever-higher returns from companies linked to the costly AI build-out, stock in firms that only narrowly top earnings targets, as Caterpillar did, has been getting punished in dramatic sell-offs. — Steve Kopack, NBC news, 29 Oct. 2026 The company is building an even bigger complex in Clay, New York, which is on track to open in 2030, though Micron expects the full build-out of that site to take another 15 years, the Statesman reported in January. — Mark Dee october 27, Idaho Statesman, 27 Oct. 2026 Anxiety over America’s build-out of data centers has reached Wall Street in recent days, kindling fears that the artificial intelligence boom is unsustainable. — Editorial Board, Washington Post, 23 Oct. 2026 See All Example Sentences for build-out

Word History

First Known Use

1902, in the meaning defined at sense 1a

Time Traveler
The first known use of build-out was in 1902

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Cite this Entry

“Build-out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/build-out. Accessed 1 Nov. 2026.

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