This is the 197th most frequent Polish word.
drogi
The Polish word "drogi" means "expensive" or "dear."
Here, 'drogi' is used as an adjective meaning 'dear' to address someone affectionately.
Drogi przyjacielu, jak się masz?
Dear friend, how are you?
Here, 'drogi' is an adjective meaning 'expensive' describing the cost of the car.
Ten samochód jest bardzo drogi.
This car is very expensive.
In this sentence, 'droga' (feminine form of 'drogi') is a noun meaning 'road' or 'path'.