windowless room
- bunkerReinforced subterranean stronghold
- basementSubterranean building level
- cellarUnderground storage room
- closetBuilt-in storage chamber
- vaultSecure storage chamber
cell · dungeon · claustrophobic · stuffy · airless · dark · confined · enclosed · sealed · suffocating · fluorescent · artificial · sterile · concrete · underground · tomb · shelter · prison
fenestration/natural light access
windowless roomsunroom
Glazed residential living space
solarium · conservatory · greenhouse · atrium · floor-to-ceiling windows
enclosure/openness
windowless roomgazebo
Roofed outdoor shelter
pergola · veranda · outdoor terrace · rooftop deck · patio