German-English translations for unergründlich

deep
us
We hiked into a deep valley between tall mountainsThere was a deep layer of dust on the floor; the room had not been disturbed for many yearsThe shelves are 30 centimetres deep. — They are deep shelves
enigmatic

fathomless
impenetrableThe fortress is impenetrable, so it cannot be taken.Business jargon makes this document impenetrable, I cant understand it.When night falls, she cloaks the world in impenetrable darkness.
inscrutableHis inscrutable theories would years later become the foundation of a whole new science
unfathomableWell, this unfathomable Europe, that of our Heads of State or Government, is demonstrating, once again, that it is not interested. Doch das unergründliche Europa, das unserer Staats- und Regierungschefs zeigt einmal mehr, dass ihm das völlig gleichgültig ist. The sheer numbers they attacked with were unfathomable
unfathomably
unsearchable

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