Expressions such as Your Royal Highness and Their Royal Highnesses are used to address or refer to members of royal families who are not kings or queens.
[politeness]
Royal Highness in British English
noun
a title of honour used in addressing or referring to a member of a royal family
Examples of 'Royal Highness' in a sentence
Royal Highness
Gesturing the Sawtrys forward, he added: `Your Royal Highness, I have the greatest pleasure to present, all the way from Texas... `
Butterworth, Michael THE FIVE MILLION DOLLAR PRINCE (2001)
We'll see what his Royal Highness, the Crown Prince of Karien thinks of that!
Jennifer Fallon TREASON KEEP (2001)
`It also means that Your Royal Highness will have to be careful in making contacts with political figures of the Resistance.
Shah, Idries KARA KUSH (2001)
In other languages
Royal Highness
British English: Royal Highness NOUN
Expressions such as YourRoyal Highness and TheirRoyal Highnesses are used to address or refer to members of royal families who are not kings or queens.