immature

adjectives

characteristic of a lack of maturity
"immature behavior"
is derived from
is derived from
antonym
is similar to
displaying or suggesting a lack of maturity
"adolescent insecurity"; "jejune responses to our problems"; "their behavior was juvenile"; "puerile jokes"
is similar to
characteristic of a baby
"babyish tears and petulance"
is similar to
indicating a lack of maturity
"childish tantrums"; "infantile behavior"
(used of living things especially persons) in an early period of life or development or growth
"young people"
is derived from
not fully developed or mature; not ripe
"unripe fruit"; "fried green tomatoes"; "green wood"
is derived from
is derived from
not yet mature
is derived from
is derived from
antonym
is similar to
in the state of development between puberty and maturity
"adolescent boys and girls"
is similar to
of an organism prior to birth or hatching
"in the embryonic stage"; "embryologic development"
is similar to
beginning to develop
"inchoative stages"
is similar to
immature of its kind; especially being or characteristic of immature insects in the newly hatched wormlike feeding stage
"larval societies"; "larval crayfishes"; "the larval stage"
is similar to
(especially of human beings) at the age immediately before puberty; often marked by accelerated growth
is similar to
of an inactive stage in the development of some insects, between the larval and the pupal stages
"the prepupal stage"
is similar to
(of animals especially human beings) having arrived at the onset of puberty (the age at which sex glands become functional) but not yet fully mature
"the budding breasts of a pubescent girl and the downy chin of pubescent boy"
is similar to
of the insects in the chrysalis (cocoon) or post larval stage
"the pupal stage"
is similar to
not yet fully developed
see also
born after a gestation period of less than the normal time
"a premature infant"
see also
(used of living things especially persons) in an early period of life or development or growth
"young people"
is an attribute of
how long something has existed
"it was replaced because of its age"
is an attribute of
state of being mature; full development
(of birds) not yet having developed feathers
"a small unfledged sparrow on the window sill"