HIGHNESS, noun hi'ness. Elevation above the surface; loftiness; altitude; highth. 1. Dignity; elevation in rank, character or power. 2. Excellence; value. 3. Violence; as the highness of wind. 4. Great amount; as the highness of price. 5. Acuteness; as the highness of a note or voice. 6. Intenseness, as of heat. 7. A title of honor given to princes or other men of rank. HIGHTH HIGHT, noun [See Height.] Elevation; altitude; loftiness. [It is very desirable that this noun should be regularly formed from the adjective.] Hight, to call, to promise, to command, etc., is a false orthography, from Saxon, hatan. It is obsolete. [See Heat.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI