Underground foundation Synonyms

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

Definitions for Foundation


  • (noun) a public organization with a particular purpose or function
  • (noun) an immaterial thing upon which something else rests
  • (noun) the basis on which something is grounded