Dictionary.com
Thesaurus.com

buildout

American  
[bild-out] / ˈbɪldˌaʊt /

noun

  1. the act or process of development, construction, or expansion: The relatively quick buildout is facilitated by modular parts constructed off-site.

    The buildout of the industry will likely begin in areas that already have well-established infrastructure.

    The relatively quick buildout is facilitated by modular parts constructed off-site.

  2. the execution or implementation of construction or development plans.

    Two days before the construction deadline the plan was already over budget and nowhere near ready for buildout.

  3. the state of being fully or maximally developed.

    When the city is at buildout, emissions will rise by 20% from the current amount.


Etymology

Origin of buildout

First recorded in 1955–60; noun use of the verb phrase build out

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Lastly, Grant discussed the debate about the AI capex buildout.

From MarketWatch • Apr. 14, 2026

Interest in optical connectivity has grown amid the AI-infrastructure buildout, as it is seen as a faster, more energy-efficient solution compared with traditional copper-based wires.

From MarketWatch • Apr. 14, 2026

But if the cease-fire holds, investors can focus again on the drivers that were egging equities higher before the war, such as the AI buildout and demand for Korean memory chips, Denyer writes.

From Barron's • Apr. 12, 2026

He’s staying on the defensive until oil flows normalize, betting on companies with strong balance sheets and those involved in the AI infrastructure buildout, such as John Deere, Caterpillar, and HVAC-maker Johnson Controls.

From Barron's • Apr. 12, 2026

The Tony Blair Institute has also expressed scepticism about the clean-power mission, suggesting expensive grid buildout should be minimised by placing electricity supply closer to demand.

From BBC • Apr. 10, 2026