Cities underground Synonyms

We can't find synonyms for the phrase "Cities underground", but we have synonyms for terms, you can combine them.

Cities Synonyms

Underground Synonyms

CU abbreviation

CU is an abbreviation for Cities Underground
What does CU stand for?
CU stands for "Cities 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