C1 noun /ˈhaɪ.nəs/
Highness
高貴さ; 王室のタイトル
Meaning
a title given to a person of royal rank; the quality or state of being high or elevated
Example
Your Highness, the royal carriage is ready to take you to the state banquet this evening.
殿下、王室の車は今晩の国宴にあなたをお連れする準備ができています。