noun
- the quality or state of being high; loftiness.
- (initial capital letter) a title of honor given to members of a royal family (usually preceded by His, Her, Your, etc.).
noun
- the condition of being high or lofty
noun
- (preceded by Your, His, or Her) a title used to address or refer to a royal person
Old English heanes; see high (adj.) + -ness. Meaning “royalty, excellence, nobility” is early 13c.; Your Highness as a form of address to English royalty is attested from c.1400.