\ ˈbild-ˌau̇t How to pronounce build-out (audio) \
variants: or less commonly buildout
plural build-outs also buildouts

Definition of build-out

1a : 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

First Known Use of build-out

1955, in the meaning defined at sense 1a

Keep scrolling for more

Learn More about build-out

Time Traveler for build-out

Time Traveler

The first known use of build-out was in 1955

See more words from the same year

Statistics for build-out

Cite this Entry

“Build-out.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on build-out

What made you want to look up build-out? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!