1
as in young
being in the early stage of life, growth, or development
immature frogs are called "tadpoles"
Synonyms & Similar Words
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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
Synonyms & Similar Words
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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of immature
These clowns dressed as presidents appear immature and narcissistic.
—
Nancy Tartaglione, Deadline, 9 Feb. 2025
A lot of us automatically use certain emotionally immature phrases without even thinking about it.
—Kathy and Ross Petras, Contributors, CNBC, 1 Feb. 2025
Harvesting immature follicles requires only one or two days of hormonal injections, or skips the process altogether.
—Kristen V. Brown, The Atlantic, 27 Jan. 2025
Mikey Madison shines as the title character, a dancer who ends up the wife of an immature, wealthy, young Russian guy who didn’t ask his crime lord daddy for permission to get married.
—Brian Tallerico, Vulture, 17 Dec. 2024
See All Example Sentences for immature
Nancy Tartaglione, Deadline, 9 Feb. 2025
A lot of us automatically use certain emotionally immature phrases without even thinking about it.
—Kathy and Ross Petras, Contributors, CNBC, 1 Feb. 2025
Harvesting immature follicles requires only one or two days of hormonal injections, or skips the process altogether.
—Kristen V. Brown, The Atlantic, 27 Jan. 2025
Mikey Madison shines as the title character, a dancer who ends up the wife of an immature, wealthy, young Russian guy who didn’t ask his crime lord daddy for permission to get married.
—Brian Tallerico, Vulture, 17 Dec. 2024
See All Example Sentences for immature
Recent Examples of Synonyms for immature
Adjective
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Ultimately, Wagner’s intangibles outweighed finding a younger replacement.—
Ben Standig,
The Athletic,
7 Mar. 2025
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According to research from the U.S. Centers for Disease Control and Prevention, between 2010-2023, more than 2.5 million voluntary medical male circumcisions were performed in the country, with 41% in boys younger than 15.—
Bec Roldan,
NPR,
6 Mar. 2025
Adjective
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My hair is still thin, childish and deserving of the gentle wash that baby shampoo affords.—
John Hodgman,
New York Times,
23 Jan. 2025
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The pair settle right away into the half-affectionate, half-annoyed, goofy childish dynamic recognizable to adult siblings everywhere — to the amusement and occasional irritation of Frank, a locally beloved good old boy who’s only the teeny-tiniest bit prone to vanity and corruption.—
Angie Han,
The Hollywood Reporter,
19 Feb. 2025
Adjective
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Related Articles Broken bones, excessive force and drug overdoses: Inside Colorado’s juvenile detention facilities Colorado Democrats are ready to pass a sweeping gun control bill.—
Seth Klamann,
The Denver Post,
3 Mar. 2025
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Andrew — a former graduate student, whose name has been changed to protect him from harassment — left his position at a major US primate research center in 2022, after spending two years studying infectious diseases in juvenile monkeys.—
Celia Ford,
Vox,
3 Mar. 2025
Adjective
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Global, regional, and national prevalence of child and adolescent overweight and obesity, 1990–2021, with forecasts to 2050: a forecasting study for the Global Burden of Disease Study 2021.—
Gordon G. Chang,
Newsweek,
3 Mar. 2025
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In this Jersey club and trap fusion, the 13-year-old tenderly sings about the thrill of an adolescent love.—
Tere Aguilera,
Billboard,
28 Feb. 2025
Cite this Entry
“Immature.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/immature. Accessed 9 Mar. 2025.
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