Underground sea 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

US abbreviation

US is an abbreviation for Underground Sea
What does US stand for?
US stands for "Underground Sea"

Sea replaced

Definitions for Sea


  • (noun) the whole body of salt water that covers nearly three-fourths of the earth
  • (noun) a division of an ocean or a large body of salt water partially enclosed by land
  • (noun) turbulent water with swells of considerable size