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Showing results for subbasement. Search instead for subbasins.
Definitions

subbasement

[suhb-beys-muhnt] / ˈsʌbˌbeɪs mənt /
NOUN
cellar
Synonyms
STRONGEST
apartment basement vault
WEAK
subterrane underground room
Antonyms
WEAK
attic

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.