subterrestrial
[suhb-tuh-res-tree-uh l]
adjective
underground; subterranean.
RELATED WORDS
alternative, avant-garde, clandestine, concealed, covert, experimental, hidden, hush-hush, hypogeal, hypogeous, private, radical, resistant, resistive, revolutionary, subterranean, surreptitious, unbowed, unconventional, undercover
Origin of subterrestrial
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019