This is the 17334th most frequent Polish word.
zaniepokojony
Concerned; worried.
Here, "zaniepokojony" describes an emotional state experienced by the speaker due to global issues.
Jestem zaniepokojony sytuacją na świecie.
I am concerned about the situation in the world.
In this sentence, "zaniepokojony" emphasizes the parents' anxiety due to an unexpected situation.
Rodzice byli zaniepokojeni, gdy ich dziecko nie wróciło na czas.
The parents were worried when their child did not return on time.
This usage of "zaniepokojony" highlights a physical manifestation (facial expression) reflecting concern about something.