This is the 492nd most frequent Serbian word.
пуно
The Serbian word "пуно" means "a lot" or "many" in English.
Here, 'пуно' means 'a lot' to indicate a large quantity of work.
Имам пуно посла данас.
I have a lot of work today.
In this sentence, 'пуно' functions as 'very much' to express gratitude.
Хвала вам пуно за помоћ.
Thank you very much for your help.
Here, 'пуна' is the feminine form of 'пуно', meaning 'full', describing the state of the bag.