Immature - Definition

adj 1: characteristic of a lack of maturity; "immature behavior"
[ant: mature]
2: (used of living things especially persons) in an early period
of life or development or growth; "young people" [syn:
young, immature] [ant: old]
3: not fully developed or mature; not ripe; "unripe fruit";
"fried green tomatoes"; "green wood" [syn: green, unripe,
unripened, immature] [ant: mature, ripe]
4: not yet mature [ant: mature]
5: (of birds) not yet having developed feathers; "a small
unfledged sparrow on the window sill" [syn: unfledged,
immature] [ant: fledged, mature]