Main underground Synonyms

Main replaced

Definitions for Main


  • (adjective) coming before all others in importance
  • (noun) muscular strength
  • (noun) one of the great divisions of land on the globe or the main part of such a division

Synonyms for phrase

MU abbreviation

MU is an abbreviation for Main Underground
What does MU stand for?
MU stands for "Main Underground"

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