| 1 |
[ adjective ] being or operating under the surface of the earth
Synonyms Examples "subterranean passages" "a subsurface flow of water" Related terms |
| 2 |
[ adjective ] lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)
Synonyms Examples "subterranean motives for murder" "looked too closely for an ulterior purpose in all knowledge"- Bertrand Russell Related terms |
| * |
|