Cavern. ++++ More often, just Cave - and the adjective "underground" is superfluous by noun's definition.
aquifer
inground
Superb is another word for excellent. Superb is another word for excellent.
Another word for shake is "Tremble".
What is another word for subsidiary?
subterranean
aquifer
Catacomb
dungens
A Den. Cave. Underground lair
Souterrain Souterrain
Another word for the focus is the EPICENTRE (or if you are American the EPICENTER!) Of course the epicentre and focus are different in that one is on the ground and the focus is underground.
masking, screening, covering, going underground, veiling, suppressing, cloaking, out of sight, concealing.
By defintion, a tunnel is underground.
U N D to create the word 'underground' (UNDergroUND)
Yes, "underground" is a compound word, formed by combining the words "under" and "ground."
Yes, in the word "underground," "under-" is the prefix, "ground" is the root word, and there is no suffix.