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.
While the tech market has thus far avoided a dramatic across-the-board sell-off, the artificial intelligence build-out is showing signs of strain. — Isabel O'Brien, CNBC, 23 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 Climate policies are reducing emissions Since the adoption of the Paris Agreement just over a decade ago, global renewable electricity capacity has grown three times faster than anticipated, while solar PV build-out has increased seven times faster. — Simmone Shah, Time, 21 Oct. 2026 Nvidia announced in August 2026 that more than $500 billion in third-party capital would go toward hyperscalers, AI labs and data center build-outs. — Shiva Dhawan, Forbes.com, 20 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 27 Oct. 2026.

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