- the act or process of development, construction, or expansion: 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.
- 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.
- the state of being fully or maximally developed: When the city is at buildout, emissions will rise by 20% from the current amount.