This is the 10691st most frequent Swedish word.
kunglig
Royal.
Here, 'kunglig' is used as an adjective meaning 'regal' or 'royal,' describing the castle as possessing features associated with royalty.
Slottet är mycket kungligt och imponerande.
The castle is very regal and impressive.
In this sentence, 'kungliga' functions as an adjective describing the 'familjen' (family), specifically referring to their royal status.
Kungliga familjen deltar i nationaldagsfirandet.
The royal family participates in the National Day celebration.
Here, 'kunglig' is used metaphorically as an adjective to imply a high or noble level of respect, akin to the kind of treatment royalty might receive.