UNDERGROUND
—adverb. 1 beneath the ground. 2 in or into secrecy or hiding. —adjective. 1 situated underground. 2 secret, subversive. 3 unconventional (underground literature). —none. 1 underground railway. 2 secret subversive group or activity.
—adverb. 1 beneath the ground. 2 in or into secrecy or hiding. —adjective. 1 situated underground. 2 secret, subversive. 3 unconventional (underground literature). —none. 1 underground railway. 2 secret subversive group or activity.