greenness

[AS. 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.

noun

1. The time of life between childhood and maturity: adolescence, juvenescence, juvenility, puberty, salad days, spring, youth, youthfulness. See youth/age/maturity.
2. Lack of experience and the knowledge gained from it: inexperience, inexpertness, rawness. See ability/inability.

The noun has 3 meanings:

Meaning #1: lush greenness of flourishing vegetation
  Synonyms: verdancy, verdure

Meaning #2: the state of not being ripe
  Antonym: ripeness (meaning #1)

Meaning #3: the property of being green; resembling the color of growing grass
  Synonyms: green, viridity