Immense underground Synonyms

Immense replaced

Definitions for Immense


  • (adjective) unusually large
  • (adjective) of the very best kind
  • (adjective) unusually great in size or amount or degree or especially extent or scope

Synonyms for phrase

IU abbreviation

IU is an abbreviation for Immense Underground
What does IU stand for?
IU stands for "Immense 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