Formal:
* До свидания (Da svidaniya) - This is the most common and formal way to say goodbye. It literally translates to "until we see each other again."
* Прощайте (Proshchayte) - This is a very formal farewell, often used in serious or emotional contexts.
* Всего хорошего (Vsego khoroshego) - This means "all the best" and is a polite way to say goodbye.
Informal:
* Пока (Poka) - This is the most common informal farewell, similar to "bye" in English.
* До встречи (Do vstrechi) - This means "until we meet again" and is a friendly way to say goodbye.
* Ну, пока (Nu, poka) - This is a more casual version of "poka" and is often used among friends.
Other options:
* Счастливо (Schastlivo) - This literally means "happily" and is a good way to say goodbye to someone you wish well.
* Всего доброго (Vsego dobrogo) - This means "all the best" and is a good choice for a more formal farewell.
The best way to choose the appropriate farewell depends on the context and your relationship with the person you're saying goodbye to.