Underground form 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 Form


  • (verb) to take on a definite form
  • (verb) to be all the substance of
  • (verb) to bring into being by combining, shaping, or transforming materials