1
as in young
being in the early stage of life, growth, or development
immature frogs are called "tadpoles"
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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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Examples Sentences
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Recent Examples of immature
And with a two-year age range, some of the projects might end up feeling too immature or too difficult depending on your child’s developmental stage.
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Jessica Booth, Parents, 16 Dec. 2024
By the way, Key limes are green when immature and yellow when ripe, further adding to the color confusion.
—Chadd Scott, Southern Living, 29 Dec. 2024
Kids who are young for their grade are, almost by definition, more immature than their peers.
—Greg Rosalsky, NPR, 17 Dec. 2024
Develop a robust risk management strategy to address potential challenges, such as immature technology, data and application security, scaling issues, and regulatory compliance.
—Sanjay Srivastava, Forbes, 12 Dec. 2024
See all Example Sentences for immature 
Jessica Booth, Parents, 16 Dec. 2024
By the way, Key limes are green when immature and yellow when ripe, further adding to the color confusion.
—Chadd Scott, Southern Living, 29 Dec. 2024
Kids who are young for their grade are, almost by definition, more immature than their peers.
—Greg Rosalsky, NPR, 17 Dec. 2024
Develop a robust risk management strategy to address potential challenges, such as immature technology, data and application security, scaling issues, and regulatory compliance.
—Sanjay Srivastava, Forbes, 12 Dec. 2024
See all Example Sentences for immature
Recent Examples of Synonyms for immature
Adjective
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There are going to be some very big paycheques with his name on them in the not very distant future, as Brad watches any upcoming cap increases disappear like an extra large pizza into the jaws of a hungry young man ...Joshua Kloke, The Athletic, 5 Jan. 2025
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Miss America's Teen is a division of the Miss America program for young women ages 13-18. Bolling, who lives in Rogers, was crowned Miss Arkansas' Teen at a competition in June in Little Rock.NWA Democrat-Gazette, arkansasonline.com, 5 Jan. 2025
Adjective
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Instead, LaFleur’s antics have been both childish and boorish for much of the season.Rob Reischel, Forbes, 31 Dec. 2024
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The Dylan seen here can be charming or arrogant — sometimes both at once — childish or wise.Meredith Blake, Los Angeles Times, 26 Dec. 2024
Adjective
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The 17-year-old suspect, who has not yet been identified, was taken into custody on Monday and transported to a juvenile facility in Bridgeport.Jessica Schladebeck, New York Daily News, 15 Jan. 2025
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The teen was taken Monday to the juvenile detention facility in Bridgeport.Justin Muszynski, Hartford Courant, 14 Jan. 2025
Adjective
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During the early years of the coronavirus pandemic, an expansion of the federal child tax credit led to dramatic reductions in adolescent poverty.Benjamin Oreskes, New York Times, 6 Jan. 2025
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Center specialized in child and adolescent psychiatry after graduating from medical school.Duaa Eldeib, ProPublica, 30 Dec. 2024
Thesaurus Entries Near immature
Cite this Entry
“Immature.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/immature. Accessed 18 Jan. 2025.
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