 |
| Subject | Russian | English |
| gen. | величайшей важности | of the utmost significance (Andrey Truhachev) |
| gen. | величайшей важности | of prime importance (Andrey Truhachev) |
| formal | величайшей важности | of the utmost importance ("That is a State secret of the utmost importance." – Sir Arthur Conan Doyle ART Vancouver) |
| gen. | величайшей важности | of paramount importance (Andrey Truhachev) |
| gen. | дело величайшей важности | a matter of the greatest importance |
| Gruzovik | дело величайшей важности | a matter of the utmost importance |