Underground grotto Synonyms

Underground replaced

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

Synonyms for phrase

UG abbreviation

UG is an abbreviation for Underground Grotto
What does UG stand for?
UG stands for "Underground Grotto"

Grotto replaced

Definitions for Grotto


  • (noun) a naturally formed underground chamber with an opening to the surface
  • (noun) a small cave (usually with attractive features)