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

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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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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Example Sentences

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Recent Examples of immature The popular Korean drama Flex X Cop, whose full first season and episode one of season two drop on August 7, centers on Jin I-soo, who is an immature heir to a massive company and is bored with his job. — K. Thor Jensen, PC Magazine, 7 Aug. 2026 This struck Stevens and her allies as immature, insulting, and more than a little sexist. — David Weigel, semafor.com, 5 Aug. 2026 This is Nathan’s signature refrain, which speaks volumes about his immature management style. — Rafaela Bassili, Vulture, 4 Aug. 2026 If speed and trust are still presented as a trade-off in 2026, that is a sign of an immature solution, not an inherent limitation. — Susan Laine, Forbes.com, 31 July 2026 See All Example Sentences for immature

Recent Examples of Synonyms for immature

Adjective

At face value, young men exercising should not be reason to sound the alarms, and yet there is something treacherous about men in their formative years placing physical beauty as the ultimate expression of self-actualization.

— José Criales-Unzueta, Vanity Fair, 27 Aug. 2026
From bustling city centres to local classrooms, thousands of young people will have the chance to take part.

— K.J. Yossman, Variety, 27 Aug. 2026

Definition of young

Adjective

At Monday's news conference, Detroit Police Chief Todd Bettison said the suspect, who had not yet been named, was not previously involved in the juvenile justice system.

— Natalie Davies, Freep.com, 29 Aug. 2026
Nikole Ramos was booked into jail and the teen was booked into juvenile hall for murder, police said.

— Brandon Downs, CBS News, 28 Aug. 2026

Definition of juvenile

Adjective

But the increasing role of private equity firms is also driving up costs, with adolescent athletes looking at pricier options outside of rec leagues at younger and younger ages.

— Burgess Everett, semafor.com, 31 Aug. 2026
The National Institutes of Health found a 121% increase in adolescent overdose deaths between 2010 and 2021, a sobering reminder of the impact on schools.

— Nathalia Fernandez, New York Daily News, 31 Aug. 2026