2 (His/Your, etc., Highness) A title given to a person of royal rank, or used in addressing them: I am most grateful, Your Highness
More example sentences
- His Royal Highness the Prince of Wales has been installed as an Honorary Freeman of the Company.
- Her Royal Highness, Sarah Ferguson, the Duchess of York, was an hour late.
- If I could have got close enough last week I would have thanked him personally, but His Highness was surrounded by photographers.
Definition of highness in:
- The British & World English dictionary