Webster's Revised Unabridged Dictionary · 1913

Greenness

Greenness , noun

[Anglo-Saxon grēnnes. See Green.]

1.
The quality of being green; viridity; verdancy; as, the greenness of grass, or of a meadow.
2.
Freshness; vigor; newness.
3.
Immaturity; unripeness; as, the greenness of fruit; inexperience; as, the greenness of youth.