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.

— CA Weather Bot, Sacbee.com, 16 July 2026
Hundreds of people, mostly young, gathered in Kyiv Thursday to protest Fedorov’s departure.

— Tim Lister, CNN Money, 16 July 2026

Definition of young

Adjective

The portrait of Musk that emerges here is that of a childish, terminally online man who desires to eliminate the messiness of contemporary life for a more rigid order.

— The New Yorker, New Yorker, 13 July 2026
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

Definition of childish

Adjective

After striking up conversation about their individual side projects, Kern lent his app’s base server to an inexperienced Coffee.

— Sophie Lindberg, Kansas City Star, 14 July 2026
In Shipwrecked, crew members suggest that Schettino was a relatively new and inexperienced captain.

— Britt Hayes, Entertainment Weekly, 14 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