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

The firm moved in the mid-1960s to a boxy two-story building with security cameras and windowless rooms, to deter rivals from snooping on toy designs.

From The Wall Street Journal

In an adjoining, windowless room, two men in fuzzy caps sat cross-legged, threading meat and fat on skewers.

From New York Times

Ducking in off the bustling commercial strip of Chinatown, they would enter the building’s windowless interior occupied by a warren of stalls stocked with low-cost clothing and household goods.

From Washington Post

Vadell’s lawsuit alleges at one point he was held in an “overcrowded, windowless, basement dungeon cell with eight other men,” wasn’t allowed outside for months at a time and “wasted away, losing more than seventy pounds.”

From Seattle Times

Late last year, in a small, windowless microscope room, she pulled out slides from a thin black box, one by one.

From Scientific American