Immature synonyms

sophomoric

The definition of sophomoric is something immature or juvenile.

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childish (related)

The definition of childish is a person or thing that is silly, immature, like a child or directed at children.

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immaturity

Youth; the condition of being immature or not fully grown

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juvenile

Characteristic of youth or immaturity; childish

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impubic

Being in an early period of growth or development

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greenhorn

An inexperienced or immature person, especially one who is easily deceived.

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undeveloped

Not developed or used

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naive (related)

Lacking worldly experience and understanding, especially:

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juvenility

The state or quality of being juvenile

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babyish

Like a baby; childish; puerile; simple.

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unfledged

Of a bird that has yet to develop its wings and feathers and become able to fly

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half-grown

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unsophisticated

Artless, simple, ingenuous, etc.

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young (related)

Being in an early period of life or growth; not old

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callow

The definition of callow is someone or something immature.

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juniority

The quality or state of being junior.

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nonage

(Obsolete, rare) A payment formerly made from to the parish clergy upon the death of a parishioner, consisting of a ninth of the movable goods.

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puerilism

Childish behavior in an adult, especially as a symptom of mental illness.

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puerility

An instance of this

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verdancy

The state of being verdant

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mature (antonym)

Having reached a desired or final condition; ripe:

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ripe (antonym)

Fully or highly developed by study, experience, etc.; mature as in judgment, knowledge, etc.

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old (antonym)

Having or exhibiting the wisdom of age; mature:

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developed (antonym)

(Said of a country) Not primitive; not third world.

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grown (antonym)

Having completed its growth; fully developed; mature

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adult (antonym)

Mature in age, size, strength, etc.; grown-up

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infant

Of or for infants or infancy

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infantile

Pertaining to infants.

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puerile

Characteristic of, or pertaining to, a boy or boys; confer: puellile.

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youth (related)

Being in an early period of growth or development

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green

The definition of green is having the color between blue and yellow on the color spectrum or being good for the environment.

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unripened

Not ripened; still unripe.

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unringed (related)

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dimorphic (related)

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omnivorous (related)

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egg laying (related)

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adolescent

Developing from childhood to maturity; growing up

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basic

The definition of basic is something that is essential, or something with a pH level higher than 7.

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crude

Stark and bare; undisguised or unadorned

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embryonic

Of or like an embryo

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fledgling

New and untried or inexperienced:

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inchoate

(Law) Not yet completed or made effective; pending

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inexperienced

Not experienced; lacking knowledge or experience; green.

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jejune

Not interesting; dull:

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nouveau

Like or characteristic of a nouveau riche

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premature

Occurring before a state of readiness or maturity has arrived.

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rudimentary

Basic; minimal; with less than, or only the minimum, necessary.

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underdeveloped

Having a low level of economic productivity and technological sophistication within the contemporary range of possibility; developing:

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unripe

Not yet fully developed

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untimely

Occurring too soon; premature:

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verdant

A Symbol of Environmentalism.

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youthful

The definition of youthful is someone who is young and vigorous, or is something that has the characteristics of someone young such as active and new.

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incunabulum

A book printed before 1501; an incunable.

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infancy

An early stage in the development of, eg, some technology.

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infantility

Quality of being infantile

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experienced (antonym)

Having had much experience, as in a particular occupation or activity

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fledged (antonym)

Able to fly.

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Immature synonyms

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Part of speech:

Immature Sentence Examples

Words that mention immature in the Dictionary

Words near immature in the Thesaurus