Lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed).
being or operating under the surface of the earth; "subterranean passages"; "a subsurface flow of water"
lying beneath what is revealed or avowed, especially being deliberately concealed; "subterranean motives for murder"; "looked too closely for an ulterior purpose in all knowledge"- Bertrand Russell
lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed); "subterranean motives for murder"; "looked too closely for an ulterior purpose in all knowledge"- Bertrand Russell
lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)
