Having Qualities of a Large Underground Chamber
This page is the CodyCross answer for the clue below from Welcome to Japan, Group 576, Puzzle 2 (Buy Souvenirs).
Question is: Having Qualities of a Large Underground Chamber
and the answer is: CAVERNOUS
Word Meaning:
CAVERNOUS — Resembling a cavern in size, shape, or atmosphere.
Definitions from Wiktionary.