- preceded by Your, His, or Her:
a title used to address or refer to a royal person
Collins Concise English Dictionary © HarperCollins Publishers::
high•ness /ˈhaɪnɪs/USA pronunciation
n.
WordReference Random House Unabridged Dictionary of American English © 2025- [uncountable] the quality or state of being high;
loftiness. - Government This word is used as a title of honor for members of a royal family. It is usually preceded by the pronouns His, Her, Your, and more rarely Our, Their:[countable* Highness]His Royal Highness, the Prince of Wales.
high•ness
(hī′nis),USA pronunciation n.
- the quality or state of being high;
loftiness. - Government(cap.) a title of honor given to members of a royal family (usually prec. by His, Her, Your, etc.).
- Middle English heyenes, Old English hēanes. See high, -ness bef. 900
Collins Concise English Dictionary © HarperCollins Publishers::
the condition of being high or lofty
'Highness' also found in these entries (note: many are not synonyms or translations):