How do you say fantastic in Russian language?

There are a few ways to say "fantastic" in Russian, depending on the context and nuance you want to convey:

Formal:

* Фантастический (fantastichеskiy) - This is the most literal translation and means "fantastic" in a general sense.

* Превосходный (prevoskhodnyy) - This means "excellent" or "superb" and is a more formal way to express admiration.

Informal:

* Отлично (otlichno) - This means "great" or "excellent" and is a common and informal way to say "fantastic".

* Классный (klassnyy) - This means "cool" or "awesome" and is a more slangy way to say "fantastic".

* Здорово (zdorovо) - This means "great" or "wonderful" and is a casual and friendly way to express enthusiasm.

* Круто (kruto) - This means "cool" or "awesome" and is a very casual and informal way to say "fantastic".

The best translation depends on the specific situation and your desired level of formality.