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"

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Relevance

Antonyms & Near Antonyms

as in childish

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

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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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Example Sentences

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Recent Examples of immature Tests revealed that Matias had neuroblastoma, a rare childhood cancer that develops from immature nerve cells, per the Cleveland Clinic. — Angelique Brenes, PEOPLE, 1 Sep. 2026 There’s nothing wrong with holding on to childhood and being a little immature from time to time. — Loren Savini, Allure, 22 Aug. 2026 The acclaimed writer Rachel Cusk’s controversial new novel Life of M is an intimate, unvarnished character study of an A-list movie star who is depicted as hollow, immature and cynical, an intellectual poseur and an artist wannabe. — Gary Baum, HollywoodReporter, 19 Aug. 2026 In the first stage, 3 to 6 months in a mouse [about 20 to 30 years in a human], there is a loss of certain fat and muscle cells, and of two immature cell types in the brain that have the capacity to regenerate different types of brain tissue. — Ingrid Wickelgren, Quanta Magazine, 14 Aug. 2026 See All Example Sentences for immature

Recent Examples of Synonyms for immature

Adjective

Parents ship young children abroad; white-collar professionals become fast-food workers; migration cleaves young lovers.

— Sanjena Sathian, Vulture, 22 Sep. 2026
Later, this same organic material hitched a ride on crashing meteorites to seed a young, barren Earth.

— Mrigakshi Dixit, Interesting Engineering, 22 Sep. 2026

Definition of young

Adjective

One of the tramps jumping off a freight car was the juvenile player, Frankie Darrow.

— Thomas Doherty, HollywoodReporter, 19 Sep. 2026
The letter cites a recent WPLN and ProPublica investigation that found that juvenile justice facilities run by Tennessee businessman Jason Crews repeatedly failed to report abuse of children and other serious incidents to the state as required.

— Paige Pfleger, ProPublica, 18 Sep. 2026

Definition of juvenile

Adjective

Perhaps the kid is resisting gendered socialization itself, the whole ascent to physical adulthood and its attendant adolescent affronts.

— Matthew McLean, Artforum, 22 Sep. 2026
For an adolescent navigating friendships, rejection, identity and belonging, something that never judges them or gossips and is always available can be incredibly compelling.

— Dr. Edith Bracho-Sanchez, CNN Money, 21 Sep. 2026