Royal Highness

American  

noun

1. (in England)

   1. a title used prior to 1917 and designating a brother, sister, child, grandchild, aunt, or uncle belonging to the male line of the royal family.

   2. a title used since 1917 and designating a child or grandchild of the sovereign.

   3. any person given this title by the Crown.

2. (in other countries) a person who is a member of a royal family.

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Royal Highness British  

noun

1. a title of honour used in addressing or referring to a member of a royal family

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Etymology

Origin of Royal Highness

First recorded in 1645–55

Example Sentences

"His Royal Highness was moved by the courage shown by the children and their families and by the dedication of the team who are supporting them with such professionalism and humanity."

From BBC

This week, King Charles III announced in the U.K.’s official public record, the London Gazette, that his younger brother Andrew was no longer allowed “to hold and enjoy” the title His Royal Highness or “the titular dignity of ‘Prince.’”

From The Wall Street Journal

Meghan, Duchess of Sussex, said she wouldn’t use the style Her Royal Highness in public after quitting royal duties, but she used the HRH title recently on a personal note accompanying tubs of ice cream she sent as a gift to an American cosmetics entrepreneur.

From The Wall Street Journal

"The King has been pleased by Letters Patent under the Great Seal of the Realm dated 3 November 2025 to declare that Andrew Mountbatten Windsor shall no longer be entitled to hold and enjoy the style, title or attribute of 'Royal Highness' and the titular dignity of 'Prince'."

From BBC

How Virginia Giuffre’s accusations of a decade ago finally brought His Royal Highness Prince Andrew, Duke of York, down to simply Andrew.

From Slate