Adjective
-
(of birds) not yet having developed feathers
"a small unfledged sparrow on the window sill"
-
not yet mature
-
not fully developed or mature
not ripe
"unripe fruit"
"fried green tomatoes"
"green wood"
-
(used of living things especially persons) in an early period of life or development or growth
"young people"
-
characteristic of a lack of maturity
"immature behavior"