Old sub-basement Synonyms

We can't find synonyms for the phrase "Old sub-basement", but we have synonyms for terms, you can combine them.

OS abbreviation

OS is an abbreviation for Old Sub-basement
What does OS stand for?
OS stands for "Old Sub-basement"

Definitions for Old


  • (adjective) being of advanced years and especially past middle age
  • (adjective) dating or surviving from the distant past
  • (adjective) having been such at some previous time