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 science remains too immature to show whether such behavior is inevitable, Hobbhahn says. — Chris Stokel-Walker, Scientific American, 7 Aug. 2026 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 See All Example Sentences for immature

Recent Examples of Synonyms for immature

Adjective

Die schöne Müllerin was conceived for a male voice and the protagonist is a young man, so Anderson would not have contemplated performing the complete cycle.

— Literary Hub, Literary Hub, 10 Sep. 2026
In the meantime, the long-term monitoring approach adopted by the researchers could provide scientists with a powerful new way of investigating other young massive binary systems.

— Robert Lea, Space.com, 9 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

Natascha Hedegaard, an in-house veterinary advisor for JoyFull Pet, said large and giant breeds have a longer juvenile stage than small breed dogs.

— Maddie Rhodes, USA Today, 7 Sep. 2026
Located off Statesville Road north of uptown, Jail North was a juvenile detention center from 2020 to 2022 before staffing problems forced its closure.

— Joe Marusak, Charlotte Observer, 5 Sep. 2026

Definition of juvenile

Adjective

Fornari is vice chair of the division of child & adolescent psychiatry at Northwell Health’s Long Island Jewish Medical Center and professor of psychiatry and pediatrics at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.

— Dr. Victor Fornari, New York Daily News, 6 Sep. 2026
The children included three under the age of 2, a 7-year-old and two adolescent girls, UNICEF said in a statement welcoming the release.

— Jacqueline Charles, Miami Herald, 3 Sep. 2026