This is the 5458th most frequent Polish word.
służbowych
"Official" or "work-related."
In this sentence, 'służbowe' modifies 'spotkanie', indicating that the meeting is related to work or official duties.
Mam zaplanowane spotkanie służbowe na jutro.
I have a business meeting planned for tomorrow.
Here, 'służbowych' is used in the plural genitive form to describe 'podróży', meaning work-related or official trips.
Podczas podróży służbowych wiele się nauczyłem o kulturze innych krajów.
During business trips, I learned a lot about the culture of other countries.
In this instance, 'służbowe' is an attributive adjective describing 'ubrania', indicating clothing appropriate for professional or official work settings.