| |||
| unstudied | |||
| unknown; obscure | |||
| unexplored; uninvestigated | |||
| uncharted (annasav) | |||
|
неизученный : 18 phrases in 10 subjects |
| Economics | 1 |
| European Bank for Reconstruction and Development | 1 |
| Fantasy and science fiction | 1 |
| General | 3 |
| Geology | 1 |
| Geophysics | 5 |
| Makarov | 3 |
| Military | 1 |
| Quotes and aphorisms | 1 |
| Scientific | 1 |