Underground organism 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 Organism
What does UO stand for?
UO stands for "Underground Organism"

Organism replaced

Definitions for Organism


  • (noun) a living thing that has (or can develop) the ability to act or function independently
  • (noun) a system considered analogous in structure or function to a living body