subterrestrial

[suhb-tuh-res-tree-uh l]

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adjective

underground; subterranean.

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Origin of subterrestrial

First recorded in 1605–15; sub- + terrestrial

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for subterrestrial

alternative, avant-garde, clandestine, concealed, covert, experimental, hidden, hush-hush, hypogeal, hypogeous, private, radical, resistant, resistive, revolutionary, subterranean, surreptitious, unbowed, unconventional, undercover