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
Our challenge is to get the immature plant mature enough to get through summer.
—
Brandee Gruener, Southern Living, 27 Sep. 2025
Edamame, Soybeans, and Soy Products Edamame is an immature soybean in green pods.
—Merve Ceylan, Health, 26 Sep. 2025
Today, most of this is being handled by immature European and Asian young males working at the behest of corporations and governments who are switching between feeding AIs and wargames.
—Rick Tumlinson, Space.com, 25 Sep. 2025
Even my college friends couldn't resist making crude jokes or asking immature questions about the surgery.
—MSNBC Newsweek, 24 Sep. 2025
See All Example Sentences for immature
Brandee Gruener, Southern Living, 27 Sep. 2025
Edamame, Soybeans, and Soy Products Edamame is an immature soybean in green pods.
—Merve Ceylan, Health, 26 Sep. 2025
Today, most of this is being handled by immature European and Asian young males working at the behest of corporations and governments who are switching between feeding AIs and wargames.
—Rick Tumlinson, Space.com, 25 Sep. 2025
Even my college friends couldn't resist making crude jokes or asking immature questions about the surgery.
—MSNBC Newsweek, 24 Sep. 2025
See All Example Sentences for immature
Recent Examples of Synonyms for immature
Adjective
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Pathways for young English players are increasingly threatened, even in the post-Brexit era, where recruitment of academy footballers from abroad is restricted.—
Liam Tharme,
New York Times,
5 Oct. 2025
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Jones first rose to prominence during his time as a standout at Syracuse University alongside his younger brother, fellow former NFL star Chandler Jones, from 2006 to 2009, before going on to get drafted in the fifth round of the 2010 NFL Draft.—
Reice Shipley,
MSNBC Newsweek,
4 Oct. 2025
Adjective
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Marta’s brothers sobbed with the desperation of years, with childish anguish.—
Mariana Enriquez
October 2,
Literary Hub,
2 Oct. 2025
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Senate Majority Leader Chuck Schumer referred to an earlier video, also featuring Jeffries in a sombrero, as childish and evidence that the White House and the GOP were unserious about the shutdown.—
Ted Johnson,
Deadline,
1 Oct. 2025
Adjective
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By the way, Valera wasn’t the only inexperienced Guardian to make a pivotal play.—
Levi Weaver,
New York Times,
2 Oct. 2025
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Fleck said that type of at-the-line adjustment is atypical for such an inexperienced player; Lindsey was making only his fourth collegiate start.—
Andy Greder,
Twin Cities,
29 Sep. 2025
Adjective
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Officials believe the animal responsible is a juvenile male bear that may have recently been separated from its mother.—
Shafiq Najib,
ABC News,
5 Oct. 2025
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Health inspectors closed the Southeast Asian restaurant after spotting several live adult and juvenile German cockroaches in areas including under sinks.—
Sarah Linn,
Sacbee.com,
3 Oct. 2025
Adjective
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According to Andrea Lunn, an integrative child and adolescent psychotherapeutic counsellor, Haines's experience reflects how attachment works in practice.—
Daniella Gray,
MSNBC Newsweek,
3 Oct. 2025
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But ever since Wembanyama was an adolescent, he has been locked in a battle against history and time.—
Jared Weiss,
New York Times,
2 Oct. 2025
Cite this Entry
“Immature.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/immature. Accessed 10 Oct. 2025.
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