This is the 21st most frequent Serbian word.
или
The Serbian word "или" means "or" in English.
Used here as a command form conjunction, emphasizing an imperative choice between two actions.
Pevaj ili čitaj, ali nešto radi.
Sing or read, but do something.
Used here as a conjunction introducing indirect yes/no questions and to indicate alternatives.
Nije jasno da li će on doći ili ne.
It is not clear whether he will come or not.
Used here as a coordinating conjunction to indicate a choice between two options.