| Russian | English |
| крайне важно | is of the highest importance ("It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones." (Sir Arthur Conan Doyle) ART Vancouver) |
| крайне важно | it is most essential to (+ infinitive • It is most essential to avoid scandal. ART Vancouver) |
| крайне редко | seldom or never (igisheva) |
| по крайне важному делу | on the matter of the utmost importance (see the minister on the matter of the utmost importance ART Vancouver) |