Underground operations 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

UO abbreviation

UO is an abbreviation for Underground Operations
What does UO stand for?
UO stands for "Underground Operations"

Operations replaced

Definitions for Operations


  • (noun) financial transactions at a brokerage; having to do with the execution of trades and keeping customer records