What does highness mean?
Highness is a formal noun that can mean the quality of being high, especially in a physical, social, or moral sense. It is often used in elevated or literary writing to describe great height, rank, importance, or purity of principle. The word is also familiar from royal titles: “His Highness” is used for a male royal or princely figure, while “Her Highness” is used for a female one. Although “highness” sounds formal and grand, its general sense remains understandable, whereas its royal use is especially ceremonial and uncommon in everyday conversation.
nounThe state or quality of being high, especially in rank, status, or importance. In formal usage, “His Highness” and “Her Highness” are titles used for a prince, princess, or other member of a royal family.
- The state or quality of being high, especially in height, rank, or importance.
- A formal title for a male member of a royal family, used in the expression “His Highness.”
- A formal title for a female member of a royal family, used in the expression “Her Highness.”
"The speaker praised the highness of the mountains and the highness of the institution's ideals."
"The highness of the cliffs made the journey difficult."
"Her Highness welcomed the delegates to the ceremony."
The plural is possible in ordinary noun usage, especially when referring to multiple heights, elevated qualities, or formal titles.
"The region is known for the highnesses of its peaks."
From an ordinary word meaning “the quality of being high,” it became part of the formal language of royalty in titles such as “His Highness.”
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does highness come from?
The word formed in Middle English from “high” and the suffix “-ness,” which creates nouns meaning a quality or state. It belongs to the same broad Germanic word family as “high,” “highly,” and “height.” Its use in royal titles developed in the formal language surrounding monarchy, where expressions such as “His Highness” became established forms of address.
How highness is actually used
In modern English, “highness” is chiefly formal and literary when referring to height or elevated status. The royal titles are generally capitalized and used with the possessive determiner “His” or “Her.”