Royal Highness

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.

Royal Highness

noun

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

Word History and Origins

Origin of Royal Highness¹

First recorded in 1645–55

Example Sentences

She lost her honorific “Her Royal Highness” title in 2002 so as to be allowed to start her own business.

From BBC

“When I started this project, His Majesty The King was still His Royal Highness The Prince of Wales, and much like the butterfly I’ve painted hovering over his shoulder, this portrait has evolved as the subject’s role in our public life has transformed,” Yeo wrote.

From Los Angeles Times

“When I started this project, His Majesty The King was still His Royal Highness The Prince of Wales, and much like the butterfly I’ve painted hovering over his shoulder, this portrait has evolved as the subject’s role in our public life has transformed,’’ Yeo said.

From Seattle Times

“His Majesty the King will officially hand over the role of Colonel-in-Chief of the Army Air Corps to His Royal Highness the Prince of Wales,” Buckingham Palace said in a statement, per the report.

From Salon

But then Cecil’s voice rang out: “Be upstanding for Her Royal Highness, the Duchess of Cheddar Gorge!”

From Literature