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
The researchers produced 82 functional human oocytes, or immature egg cells, which then underwent fertilization in the lab.
—
Katie Hunt, CNN Money, 30 Sep. 2025
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
See All Example Sentences for immature
Katie Hunt, CNN Money, 30 Sep. 2025
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
See All Example Sentences for immature
Recent Examples of Synonyms for immature
Adjective
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The line occurs when the film’s protagonist, Ripley (Weaver), emerges from an elevator in a giant metal bodysuit, ready to fight a terrifying alien to save a young child.—
Toria Sheffield,
PEOPLE,
19 Oct. 2025
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But even working with young elite athletes, Wolff believes everyone should take it a little easier on the generation.—
Sasha Rogelberg,
Fortune,
18 Oct. 2025
Adjective
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Cute, childish characters in furry, animal suits and accessories seem to be a common theme for blind boxes.—
Katie Decker-Jacoby,
StyleCaster,
16 Oct. 2025
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Any version of art for art’s sake has always seemed a little childish to me, a bit of adolescent posturing (the phrase was apparently especially beloved by members of the 19th century Aesthetic Movement, one of the high points of a certain kind of brattiness).—
Literary Hub,
Literary Hub,
7 Oct. 2025
Adjective
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The inexperienced head coach has sensibly made only minor tweaks since taking over, sticking with the compact, direct football that has served Brentford so well.—
Phil Hay,
New York Times,
17 Oct. 2025
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Scaloni, whose team finished in first place in South American World Cup qualifying, was using Friday’s match, and the Tuesday match against Puerto Rico at Chase Stadium, to integrate some of the younger and inexperienced players on the roster.—
Michelle Kaufman,
Miami Herald,
11 Oct. 2025
Adjective
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Continue reading … VIRAL DANGER – New Tik Tok prank sparks parental panic and juvenile arrests.—
,
FOXNews.com,
20 Oct. 2025
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The teen was booked into a juvenile detention center and accused of multiple charges, including reckless driving and unlawful flight.—
Julie Mendes,
AZCentral.com,
20 Oct. 2025
Adjective
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Instead of croquet games or slam books, the four teen girls of The Craft use spells to help get through their adolescent angst.—
Gwen Ihnat,
Entertainment Weekly,
18 Oct. 2025
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One by one, with sweaty palms and cracking adolescent voices, the pupils rose and read.—
Jeff Pearlman,
Rolling Stone,
17 Oct. 2025
Cite this Entry
“Immature.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/immature. Accessed 25 Oct. 2025.
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