Underground construction 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 Construction


  • (noun) something put together by arranging or connecting an array of parts
  • (noun) a statement that makes something clear
  • (noun) the act of constructing something