IMMATURE Synonyms: 101 Similar and Opposite Words

immature

adjective

ˌi-mə-ˈchu̇r

Definition of immature

as in young

being in the early stage of life, growth, or development immature frogs are called "tadpoles"

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in childish

having or showing the annoying qualities (as silliness) associated with children an immature teenager who still threw tantrums

Synonyms & Similar Words

Antonyms & Near Antonyms

as in inexperienced

lacking in adult experience or maturity many high school students are still too immature to foresee the consequences of their actions

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Antonyms & Near Antonyms

Example Sentences

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Recent Examples of immature In immature stages, the insects can be controlled with insecticidal soap or horticultural oil. — Madeline Buiano, Martha Stewart, 7 July 2026 In practice, portions of the automation framework still feel slightly immature. — Michael Lydick, PC Magazine, 29 June 2026 These are the immature stages of small brown moths. — Tom MacCubbin, The Orlando Sentinel, 27 June 2026 Edamame are young, immature soybeans. — Amy Brownstein, Verywell Health, 26 June 2026 See All Example Sentences for immature

Recent Examples of Synonyms for immature

Adjective

Be vigilant about never leaving young children and pets in vehicles without supervision, especially during periods of intense heat, as car interiors can quickly become extremely hot.

— NC Weather Bot, Charlotte Observer, 9 July 2026
As the sounds of fighting increased nearby, Al-Zaharnah decided to leave with his wife and youngest son.

— Bilal Shbeir, Los Angeles Times, 9 July 2026

Definition of young

Adjective

Their ideas about it were often steeped in stereotypes suggesting that Buddhists were irrational and childish in their thinking.

— Livia Gershon, JSTOR Daily, 7 July 2026
While there is absolutely nothing childish about the property, there are crib and highchairs available, children’s menus at the hotel’s restaurant, and babysitting services that can be arranged through a third party.

— Condé Nast, Condé Nast Traveler, 4 July 2026

Definition of childish

Adjective

Hillmann said that the high percentage of inexperienced foreigners today makes the Pamplona bull runs particularly dangerous.

— ABC News, ABC News, 6 July 2026
Leaders in at least three counties have publicly spoken out against Alfonso as being too inexperienced for the job and questioned Duffy’s influence.

— Scott Bauer, Los Angeles Times, 6 July 2026

Definition of inexperienced

Adjective

Takeovers are at once a timeless illustration of the volatility of crowds—perhaps especially adolescent crowds—and of the much newer potentialities unleashed by the internet a few decades ago.

— Robert F. Worth, The Atlantic, 10 July 2026
Another practice involved staff stuffing insects, herbs and different scents into the leaves of lettuce heads, offering the adolescent skunks another challenge that would put their developing foraging skills to the test.

— Caleb Lunetta, San Diego Union-Tribune, 8 July 2026