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
Quantum computing remains a fragmented and immature market, UBS analysts led by Madeleine Jenkins wrote in a 103-page report to clients on Monday.
—
Pia Singh, CNBC, 19 Jan. 2026
The challenge for governments, in Burt’s view, is engaging with crypto without rushing immature frameworks or attempting to dictate outcomes in a fast-moving industry.
—Anastasia Chernikova, Forbes.com, 18 Jan. 2026
Edamame Edamame are immature soybeans that are rich in protein.
—Jillian Kubala, Health, 15 Jan. 2026
The edible part of okra is the plant’s immature seedpods, which contain high levels of a substance called mucilage.
—Andrew Coletti, Popular Science, 14 Jan. 2026
See All Example Sentences for immature
Pia Singh, CNBC, 19 Jan. 2026
The challenge for governments, in Burt’s view, is engaging with crypto without rushing immature frameworks or attempting to dictate outcomes in a fast-moving industry.
—Anastasia Chernikova, Forbes.com, 18 Jan. 2026
Edamame Edamame are immature soybeans that are rich in protein.
—Jillian Kubala, Health, 15 Jan. 2026
The edible part of okra is the plant’s immature seedpods, which contain high levels of a substance called mucilage.
—Andrew Coletti, Popular Science, 14 Jan. 2026
See All Example Sentences for immature
Recent Examples of Synonyms for immature
Adjective
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There's no exact cause known for the rise in cancers among young people, according to experts, but researchers are trying to figure it out.—
Alyssa Goldberg,
USA Today,
12 Feb. 2026
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Meta, TikTok and Snap will be rated on their teen safety efforts amid rising concern about whether the world’s largest social media platforms are doing enough to protect the mental health of young people.—
Queenie Wong,
Los Angeles Times,
11 Feb. 2026
Adjective
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This sort of behavior is childish and unsophisticated.—
Josh Brown,Sean Russo,
CNBC,
29 Jan. 2026
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These people are so childish and petty.—
U T Readers,
San Diego Union-Tribune,
28 Jan. 2026
Adjective
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All of Quigley’s challengers are politically inexperienced but impassioned Democrats running to the incumbent’s left.—
The Editorial Board,
Chicago Tribune,
11 Feb. 2026
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The most common complaints include denying legitimate claims, partnering with inexperienced and unqualified service providers, poor service, and slow response times.—
Sharon Brandwein,
USA Today,
6 Feb. 2026
Adjective
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These victories include an insulin co-pay cap, new money for public schools, lowering the cost of health care and child care, opening up mental health programs, connecting young adults to job opportunities, and reforming our juvenile justice system.—
Eleanor Dearman,
Fort Worth Star-Telegram,
14 Feb. 2026
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For the new study, Yun and her colleagues removed the thymus from several juvenile axolotls.—
Taylor Mitchell Brown,
Scientific American,
14 Feb. 2026
Adjective
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With a biting script by Tina Fey, the film fearlessly explores the dark side of the early aughts adolescent social scene.—
Kevin Jacobsen,
Entertainment Weekly,
7 Feb. 2026
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The teen recently spent a day at a major tech company that is working to shape the future of adolescent technology.—
Maggie Menderski,
Louisville Courier Journal,
6 Feb. 2026
Cite this Entry
“Immature.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/immature. Accessed 16 Feb. 2026.
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