Metronomic underground Synonyms

Metronomic replaced

Synonyms for phrase

MU abbreviation

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

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