Definition of immature Immature

/ɪˌmʌtjʊˈɹ/ - [imutyur] - im•ma•ture

We found 11 definitions of immature from 5 different sources.

What does immature mean?

WordNet

Adjective
immature - not yet mature
		mature fully considered and perfected; "mature plans"
		premature uncommonly early or before the expected time; "illness led to his premature death"; "alcohol brought him to an untimely end"
		immature, young not yet mature
		matureness, maturity state of being mature; full development
		age how long something has existed; "it was replaced because of its age"
		adolescent in the state of development between puberty and maturity; "adolescent boys and girls"
		embryologic, embryonal, embryonic in an early stage of development; "the embryonic government staffed by survivors of the massacre"; "an embryonic nation, not yet self-governing"
		inchoative beginning to develop; "inchoative stages"
		larval 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"
		prepubertal, prepubescent (especially of human beings) at the age immediately before puberty; often marked by accelerated growth
		prepupal of an inactive stage in the development of some insects, between the larval and the pupal stages; "the prepupal stage"
		pubescent (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"
		pupal of the insects in the chrysalis (cocoon) or post larval stage; "the pupal stage"
immature - characteristic of a lack of maturity; "immature behavior"
		mature fully considered and perfected; "mature plans"
		juvenile, puerile, jejune, adolescent of or relating to or characteristic of or appropriate for children or young people; "juvenile diabetes"; "juvenile fashions"
		babyish characteristic of a baby; "babyish tears and petulance"
immature - (used of living things especially persons) in an early period of life or development or growth; "young people"
		young
		old of a very early stage in development; "Old English is also called Anglo Saxon"; "Old High German is High German from the middle of the 9th to the end of the 11th century"
		immature not yet mature
		junior used of the third or next to final year in United States high school or college; "the junior class"; "a third-year student"
		new unfamiliar; "new experiences"; "experiences new to him"; "errors of someone new to the job"
		age how long something has existed; "it was replaced because of its age"
		animate thing, living thing a living (or once living) entity
		one-year-old one year of age
		two-year-old two years of age
		three-year-old three years of age
		four-year-old four years of age
		five-year-old five years of age
		teen, teenage, teenaged, adolescent in the state of development between puberty and maturity; "adolescent boys and girls"
		infantile being or befitting or characteristic of an infant; "infantile games"
		boyish, boylike, schoolboyish befitting or characteristic of a young boy; "a boyish grin"; "schoolboyish pranks"
		childly, childlike befitting a young child; "childlike charm"
		early at or near the beginning of a period of time or course of events or before the usual or expected time; "early morning"; "an early warning"; "early diagnosis"; "an early death"; "took early retirement"; "an early spring"; "early varieties of peas and tomatoes mature before most standard varieties"
		girlish, schoolgirlish befitting or characteristic of a young girl; "girlish charm"; "a dress too schoolgirlish for office wear"
		junior used of the third or next to final year in United States high school or college; "the junior class"; "a third-year student"
		little, small small in a way that arouses feelings (of tenderness or its opposite depending on the context); "a nice little job"; "bless your little heart"; "my dear little mother"; "a sweet little deal"; "I'm tired of your petty little schemes"; "filthy little tricks"; "what a nasty little situation"
		newborn having just or recently arisen or come into existence; "new nations"; "with newborn fears"
		preadolescent, preteen of or relating to or designed for children between the ages of 9 and 12; "a preteen party"; "preteen clothing"
		puppyish, puppylike characteristic of a puppy
		tender (of plants) not hardy; easily killed by adverse growing condition; "tender green shoots"
		youngish somewhat young
immature - not fully developed or mature; not ripe; "unripe fruit"; "fried green tomatoes"; "green wood"
		green, unripe, unripened
		mature, ripe fully considered and perfected; "mature plans"
immature - (of birds) not yet having developed feathers; "a small unfledged sparrow on the window sill"
		unfledged
		fledged, mature (of an arrow) equipped with feathers

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Wiktionary

immature (Adjective)
Not fully formed or developed, unripe.
immature (Adjective)
Silly or childish in behavior.

Webster DictionaryWebster's Unabridged Dictionary 📘

immature (a.)
Not mature; unripe; not arrived at perfection of full development; crude; unfinished; as, immature fruit; immature character; immature plans.
immature (a.)
Premature; untimely; too early; as, an immature death.

OmegaWiki DictionaryOmegaWiki Dictionary Ω

immature
Behaving immaturely, like a child.

Chambers DictionaryChamber's 20th Century Dictionary 📕

immature
im-a-tūr′, Immatured, im-a-tūrd′, adj. not ripe: not perfect: come before the natural time.—adv. Immature′ly.—ns. Immature′ness, Immatur′ity