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windowless

American

[win-doh-lis] / ˈwɪn doʊ lɪs /

adjective

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

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.

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 • Mar. 15, 2026

Rather than sit in a grand office with big windows overlooking the beautiful Bay of Ajaccio, the club president worked in a windowless, concrete bunker deep inside the building.

From BBC • Jan. 17, 2026

The Bellagio’s grand ballroom felt much like its casino—ornate, windowless, sour with old cigarette smoke.

From Slate • Jan. 13, 2026

Yet, in the home that he and Allen built together, the pink primary suite was windowless, creating the impression of a cozy cave in stark contrast with his former dwelling.

From MarketWatch • Jan. 12, 2026

An aide asked me to wait and left me alone in the high windowless room.

From "The Left Hand of Darkness" by Ursula K. Le Guin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023