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Definition of subbasement

subbasement

/ˈsʌbˌbeɪsmənt/
sub · base · ment
Plural:subbasements
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subbasement Lexical Profile

subbasement Game Scores & Validity

• noun

1

An underground level or story of a building situated directly below the main basement.

Example

"The hospital's backup generators and archival records are housed securely in the concrete subbasement."

Synonyms
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Antonyms
View all antonyms for subbasement

• Nearby Words

subarea
subarnarekha
subaverage
subbasement
subcategory
subcenter
subchapter

Cite this Entry

Wordmom. (2026). Definition of Subbasement. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/subbasement
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