Privet in Russian means hi / hey / hello. It is the most common Russian informal greeting.
In Cyrillic it’s written приве́т.
Privet is an informal way to say hello and should be used only with friends, relatives or people younger than you.
If you need to say hello in a formal situation, you should use zdrastvuytye (здра́вствуйте).
Possible colloquial variations of privet are:
– приве́тище [pree-vyé-tee-schye]
lit: huge hello
– приве́тик [pree-vyé-teek]
lit: small/cute hello
You can also say salyut instead of privet, it is also quite common (although less common than privet):
– салю́т [sa-lyút]