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

Synonyms & Similar Words

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

Mackie was a Southern California native and embraced the idea of Hollywood movie glamour as a young child, inspired by Technicolor musicals.

— MARK KENNEDY THE ASSOCIATED PRESS, Arkansas Online, 15 Sep. 2026
How will another audience respond when A is an older woman, a younger woman, of a different race, a trans woman?

— Jackson McHenry, Vulture, 15 Sep. 2026

Definition of young

Adjective

Edmonton is set to rely on some inexperienced players this season.

— Janson Duench, New York Times, 9 Sep. 2026
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

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

The study involved 16 male adolescent athletes, so its findings should not be generalized to everyone.

— Ascend Agency, New York Daily News, 11 Sep. 2026
Eric Cartman The terrifically foul-mouthed, plus-sized adolescent made his debut in the pilot episode of South Park, which follows the japes and scrapes of Cartman and his pals Kyle, Stan, and Kenny in the titular Colorado enclave.

— Declan Gallagher, Entertainment Weekly, 10 Sep. 2026