subterraneous

Thesaurus

Adj.	1.	subterraneous - being or operating under the surface of the earth; "subterranean passages"; "a subsurface flow of water"subterraneansubsurface - beneath the surface; "subsurface materials of the moon"
	2.	subterraneous - 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 Russellulterior, subterraneancovert - secret or hidden; not openly practiced or engaged in or shown or avowed; "covert actions by the CIA"; "covert funding for the rebels"

Translations

subterranunterirdisch