1. a title of respect used when addressing or referring to a member of a royal family
Usage: formal; capitalized when used as a title
2. the quality or state of being high in position, rank, or degree

Examples

• Your Highness, the ceremony will begin shortly.
• The ambassador bowed before His Royal Highness.
• Her Highness will attend the charity gala next week.
• The highness of his position in the company impressed everyone.
• The mountain’s highness made it visible from miles away.
• They addressed the prince as Your Highness throughout the visit.