Emily Dickinson Lexicon

GREAT'NESS, n.

1. Largeness of bulk, dimensions, number or quantity; as, the greatness of a mountain, of an edifice, of a multitude, or of a sum of money. With reference to solid bodies, however, we more generally use bulk, size, extent or magnitude than greatness; as, the bulk or size of the body; the extent of the ocean; the magnitude of the sun or of the earth.
2. Large amount; extent; as, the greatness of a reward.
3. High degree; as, the greatness of virtue or vice.
4. High rank or place; elevation; dignity; distinction; eminence; power; command. Farewell, a long farewell to all my greatness. Shak.
5. Swelling pride; affected state. It is not of pride or greatness that he cometh not aboard your ships. Bacon.
6. Magnanimity; elevation of sentiment; nobleness; as, greatness of mind. Virtue is the only solid basis of greatness. Rambler.
7. Strength or extent of intellectual faculties; as, the greatness of genius.
8. Large extent or variety; as, the greatness of a man's acquisitions.
9. Grandeur; pomp; magnificence. Greatness with Timon dwells in such a draught, / As brings all Brobdignag before your thought. Pope.
10. Force; intensity; as, the greatness of sound, of passion, heat, &c.