Underground laboratories Synonyms

We can't find synonyms for the phrase "Underground laboratories", but we have synonyms for terms, you can combine them.

Underground Synonyms

Laboratories Synonyms

UL abbreviation

UL is an abbreviation for Underground Laboratories
What does UL stand for?
UL stands for "Underground Laboratories"

Definitions for Underground


  • (adjective) undertaken or done so as to escape being observed or known by others
  • (adjective) being, situated, or operating beneath the surface of the earth
  • (noun) a secret organization in a conquered country fighting against enemy forces