1 verdant, grassy, fresh, leafy; rural, country-like:
Plans call for a green belt to be created around every major city.
2 immature, unripe, unripened; naïve, callow, untested, untrained, unversed, inexperienced, new, raw, unseasoned, unsophisticated, gullible, amateur, unskilled, unskilful, amateurish, non-professional, inexpert, Colloq wet behind the ears:
This banana is still too green to eat. Isn't Piers a bit green to be given so much responsibility?
3 environmental, conservationist:
The green activists appear to be gaining influence in governmental circles.
4 lawn, sward, common, grassland:
Let us meet on the village green at noon.
5 environmentalist, conservationist, preservationist:
The greens are opposed to draining the marshes.