as in immature
having or showing the annoying qualities (as silliness) associated with children
you almost spoiled the ceremony for everyone with your childish giggling
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Recent Examples of childish
The Dylan seen here can be charming or arrogant — sometimes both at once — childish or wise.
—
Meredith Blake, Los Angeles Times, 26 Dec. 2024
But worrying about making your space look too childish can be tricky.
—Cristian Esteban, Rolling Stone, 12 Dec. 2024
All the Jingle Ladies by Beth Garrod After her parents went viral with an earworm of a Christmas song (and music video featuring her childish antics), Molly has been a true Grinch.
—Maureen Lee Lenker, EW.com, 8 Dec. 2024
Lotte is further displaced by the surreal environment and uses a childish game to vent her fury, sparking an unexpected, primal outpouring of emotions amongst the other mothers.
—Alex Ritman, Variety, 29 Nov. 2024
See all Example Sentences for childish 
Meredith Blake, Los Angeles Times, 26 Dec. 2024
But worrying about making your space look too childish can be tricky.
—Cristian Esteban, Rolling Stone, 12 Dec. 2024
All the Jingle Ladies by Beth Garrod After her parents went viral with an earworm of a Christmas song (and music video featuring her childish antics), Molly has been a true Grinch.
—Maureen Lee Lenker, EW.com, 8 Dec. 2024
Lotte is further displaced by the surreal environment and uses a childish game to vent her fury, sparking an unexpected, primal outpouring of emotions amongst the other mothers.
—Alex Ritman, Variety, 29 Nov. 2024
See all Example Sentences for childish
Recent Examples of Synonyms for childish
Adjective
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People with leukemia often have a high number of immature white blood cells called myeloblast, which are not usually present in the blood.—
Doru Paul,
Health,
10 Jan. 2025
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These immature cells can develop into different types of blood cells, including white blood cells (WBCs), central to immune function.8 Getting sufficient and consistent sleep can help make your body more resistant to disease and infection.—
Mark Gurarie,
Verywell Health,
9 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
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
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Cite this Entry
“Childish.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/childish. Accessed 22 Jan. 2025.
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