This is the 517th most frequent Slovenian word.
dodatnih
"Additional"
The word "dodatnih" is used here to describe additional time required for a specific task, modifying "pet dni" to clarify the duration being discussed.
Za projekt bomo potrebovali dodatnih pet dni.
For the project, we will need an additional five days.
In this context, "dodatnih" modifies "vprašanj" to convey that the inquiry is regarding more questions beyond those already asked or addressed.
Ali imate kakršnekoli dodatnih vprašanj?
Do you have any additional questions?
Here, "dodatnih" describes "ugodnosti," specifying extra benefits or advantages obtained in addition to the customary ones.