Underground ground 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 Ground


  • (adjective) having an edge thin enough to cut or pierce something
  • (noun) a small area of usually open land
  • (noun) an immaterial thing upon which something else rests