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.
Diorio said data centers are also job creators, particularly for construction workers during build-out, and don’t sap natural resources to the extent many opponents believe. — Justin Papp, CNBC, 23 Sep. 2026 The ratings firm added that the industry’s capex is growing faster than revenue, warning that the aggressive build-out could lead to overcapacity if future demand doesn’t pan out as expected. — Jason Ma, Fortune, 20 Sep. 2026 Supporters say that their use in cooling can reduce data centers’ significant water use, helping alleviate a major problem associated with the rapid build-out of AI infrastructure. — Rachel Frazin, The Hill, 18 Sep. 2026 As electricity demand climbs and utilities lean harder on demand flexibility to avoid costly infrastructure build-outs, the website and app are no longer just customer service tools. — Amber Mullaney, Forbes.com, 15 Sep. 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 26 Sep. 2026.

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