windowless

American  

[win-doh-lis] / ˈwɪn doʊ lɪs /

adjective

1. not furnished with any windows; lacking any view of or ventilation from the outside.

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Example Sentences

Microsoft, Google, Meta and Amazon are also scouring the country to build out the sprawling windowless concrete structures, driven by the insatiable computing demands of AI.

From Barron's

“It means spending a lot of time on planes, sleeping in three-star hotels, somewhere in middle America, and working out of a dimly lit windowless conference room where there’s not enough charging ports,” said Barry McCardel, who worked as an FDE at Palantir for about five years before founding AI analytics platform Hex.

From The Wall Street Journal

Iran released video footage in March 2025 of what it claimed was its latest large underground facility, showing senior commanders touring long, windowless corridors filled with missile-carrying trucks.

From The Wall Street Journal

It is 612 days since captain Aiden Markram sat in a windowless press conference room and was asked to put into words their defeat in the 2024 final.

From BBC

Nonstop buzzing fills a windowless Microsoft data centre near Jakarta, part of a tech construction boom sweeping Southeast Asia that promises economic opportunities but is also hungry for resources.

From Barron's