This is the 344th most frequent Slovenian word.
naši
"Our" or "ours."
In this sentence, 'naši' is used as a possessive pronoun indicating 'our'. It modifies the noun 'prijatelji' (friends).
Naši prijatelji so prišli na obisk.
Our friends came to visit.
Here, 'naše' refers to 'our team' as a shorthand, commonly used in spoken language to show belonging in the context of sports or collective groups.
Gremo navijat za naše na stadion.
We are going to cheer for our team at the stadium.
The word 'našim' here is in the dative case, showing to whom the attention (the action) should be directed.