Underground master 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

UM abbreviation

UM is an abbreviation for Underground Master
What does UM stand for?
UM stands for "Underground Master"

Master replaced

Definitions for Master


  • (adjective) coming before all others in importance
  • (adjective) having or showing exceptional knowledge, experience, or skill in a field of endeavor
  • (noun) a person with a high level of knowledge or skill in a field