1
as in young
being in the early stage of life, growth, or development
immature frogs are called "tadpoles"
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Antonyms & Near Antonyms
2
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
3
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
Despite her experiences, Ellie is still emotionally immature, seeing independence as its own authority.
—
Mary McNamara, Los Angeles Times, 7 Apr. 2025
Symptoms Parents Should Look Out For Neuroblastoma is a cancer that arises from immature nerve cells.
—John W. Dean, MSNBC Newsweek, 6 Apr. 2025
The specks are immature scale insects called crawlers — the only life stage at which the insects move.
—Tim Johnson, Chicago Tribune, 6 Apr. 2025
Both immature and adult thrips feed by scraping surface cells to suck plant sap.
—Rita Perwich, San Diego Union-Tribune, 5 Apr. 2025
See All Example Sentences for immature
Mary McNamara, Los Angeles Times, 7 Apr. 2025
Symptoms Parents Should Look Out For Neuroblastoma is a cancer that arises from immature nerve cells.
—John W. Dean, MSNBC Newsweek, 6 Apr. 2025
The specks are immature scale insects called crawlers — the only life stage at which the insects move.
—Tim Johnson, Chicago Tribune, 6 Apr. 2025
Both immature and adult thrips feed by scraping surface cells to suck plant sap.
—Rita Perwich, San Diego Union-Tribune, 5 Apr. 2025
See All Example Sentences for immature
Recent Examples of Synonyms for immature
Adjective
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Art Across Boundaries Since a young age, Yi Ming has been passionate about the power the visual arts possess to transcend not only philosophical and disciplinary boundaries, but also cultural and national borders.—
Connie Etemadi,
USA Today,
24 Apr. 2025
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Under the leadership of veteran head coach Sean Payton and young quarterback Bo Nix, Ware is confident that the Broncos can take the leap from being just a playoff team into an elite one.—
DJ Siddiqi,
Forbes.com,
23 Apr. 2025
Adjective
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The childish use of vulgar profanity simply leads peoople to view the speaker as being unable to express his/her view.—
Letters to the editor,
The Orlando Sentinel,
4 Apr. 2025
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One standout was Helena Bonham Carter’s Red Queen running around the palace like a childish tyrant.—
Bill Desowitz,
IndieWire,
26 Mar. 2025
Adjective
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Both Mike and Harriet were juvenile commissioners assigned by the city of San Francisco to mentor boys and girls.—
Erin Moriarty, Liza Finley,
CBS News,
4 May 2025
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Leshem, a former journalist, locked himself in an Israeli juvenile prison for two weeks (for research).—
Tony Maglio,
HollywoodReporter,
2 May 2025
Adjective
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Starring Jeff Daniels and Laura Linney as the sparring, intellectual parents to two adolescent sons (Jesse Eisenberg and Owen Kline), The Squid and the Whale responds to some of Baumbach’s own experiences as a product of divorce in the 1980s.—
Marley Marius,
Vogue,
30 Apr. 2025
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One of the main jobs of the adolescent human is to pull away from their parents in preparation for adulthood.—
Cyndy Etler,
Hartford Courant,
28 Apr. 2025
Cite this Entry
“Immature.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/immature. Accessed 6 May. 2025.
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