Subterranean room synonyms

What is another word for Subterranean room?

vault

room on lower floor of building
cellar

room on lower floor of building
storage

room on lower floor of building
substructure

room on lower floor of building
excavation

room on lower floor of building
crypt
bottom
understructure
furnace room
underbuilding
basement
substructures
basements
strong room
underground room
subbasement
subterrane
lower ground floor

Synonyms for subterranean room

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Synonyms for Subterranean room. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/synonyms/subterranean_room

Synonyms for Subterranean room. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/synonyms/subterranean_room>.

Synonyms for Subterranean room. 2016. Accessed July 28, 2026. https://thesaurus.plus/synonyms/subterranean_room.