subterrain
About 0.00 uses per million words.
Meaning
- noun The bedrock or rock layer that lies beneath the soil and superficial features of an area.
- noun A cave or underground room.
- noun An underground region.
- noun An underlying basis or undercurrent.
- adjective Synonym of subterranean.
Similar words
subsurface understratum subsoil undersoil substratum underlay underground subhorizon underlayer subterrane
Often followed by
of
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