Alive underground Synonyms

Definitions for Alive


  • (adjective) having or showing life
  • (adjective) marked by much life, movement, or activity
  • (adjective) being in effective operation

AU abbreviation

AU is an abbreviation for Alive Underground
What does AU stand for?
AU stands for "Alive 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