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

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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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

Upbringing and early career Lily-Rose Depp and her younger brother, Jack, attended school in the United States growing up but also spent significant time in France.

— Encyclopedia Britannica, Encyclopedia Britannica, 2 Sep. 2026
He was tasked with holding the movie’s most complex, morally challenging ideas, as a young boy running from trauma and left to decide between danger and redemption.

— David Canfield, HollywoodReporter, 2 Sep. 2026

Definition of young

Adjective

The Holbrook sisters are undersocialized and inexperienced with the world, and Herzog sees them as figures out of a fable, dreamers who talk incessantly about love and seem connected to the elemental and the ancient.

— Bilge Ebiri, Vulture, 3 Sep. 2026
When someone with 20 years of expertise is willing to look inexperienced for 20 minutes, everyone else gets permission to learn.

— Pankaj Prasoon, Forbes.com, 2 Sep. 2026

Definition of inexperienced

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