The style of a prince, princess or someone of equivalent rank. / (obsolete) The style of an emperor or king.

plural of highnesse

plural of Highness

The state of being high. / A title of respect when referring to a prince or princess.

plural of high

To a high position; or up in, or to, the sky; above. / (specifically, chiefly Christianity, literary) Up in, or to, Heaven. / (humorous) In authority, influence, or power.

Very elevated; extending or being far above a base; tall; lofty. / Relatively elevated; rising or raised above the average or normal level from which elevation is measured.

(obsolete) Thought; intention; determination; purpose.

A high point or position, literally (as, an elevated place; a superior region; a height; the sky; heaven).or figuratively (as, a point of success or achievement; a time when things are at their best, greatest, most numerous, maximum, etc).

To hie; to hasten.