Having or showing emotional or intellectual development appropriate to someone younger
his immature sense of humor
characteristic of a lack of maturity; "immature behavior"
young: (used of living things especially persons) in an early period of life or development or growth; "young people"
green: not fully developed or mature; not ripe; "unripe fruit"; "fried green tomatoes"; "green wood"
not yet mature
unfledged: (of birds) not yet having developed feathers; "a small unfledged sparrow on the window sill"
(immaturely) in an immature manner; "his teenage son still behaves very immaturely"
(immaturity) not having reached maturity
IMx, formerly known as Immature, was an American R&B group, managed by record producer Chris Stokes. ...
Not fully formed or developed, unripe; Childish in behavior
Lacking complete growth, differentiation, or development. Rapidly growing malignant tumors show a significant degree of structural abnormality and resemble immature embryonal tissues or stem cells capable of proliferative activity. These cells may be referred to as undifferentiated or immature. ...
An immature bird is a juvenile that has undergone its first moult but does not yet have full adult plumage.
lacking complete development; not yet adult. This life stage for a spider means that the genitalia are not developed enough yet to even determine the gender of the specimen. This term is interchangeable with juvenile.
not fully developed. Immature white blood cells are usually not functional and cannot produce antibodies
A term used to describe tobacco that has not reached its peak of ripeness in the field.
Between 10 years old and rotation age.
refers to bamboo culms which are less than three years old and lacks complete cell wall development