What does subterranean mean?
adjective
Extending or situated under the earth's surface; underground.
Example
"The subterranean tunnels were hidden from view."
Definition generated by AI and curated by RJS Tech Solutions LLP.
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Tuesday, June 9, 2026
subterranean
/sʌbˈtɛrəniən/
adjective · British & US
Valid in UKValid in US