- the quality or state of being high; height; loftiness
- highest of the nobility: a title used in speaking to or of a member of a royal family and preceded by Your or by His or Her
See highness in American Heritage Dictionary 4
- The quality or condition of being high.
- Highness Used with His, Her, or Your as a title and form of address for a prince or princess: Her Royal Highness the Princess Margaret.
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