Underground bunker Synonyms

Underground replaced

secret bunker

mysterious bunker

secluded bunker

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

UB abbreviation

UB is an abbreviation for Underground Bunker

What does UB stand for?

UB stands for "Underground Bunker"

Bunker replaced

underground cave

underground chamber

underground shelter

underground vault

underground fortress

underground cellar

underground cache

underground store

underground ditch

underground hole

underground stronghold

underground trap

underground depot

Definitions for Bunker

(noun) a large container for storing fuel
(verb) fill (a ship's bunker) with coal or oil
(verb) transfer cargo from a ship to a warehouse