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
On Tires, Church plays Phil, Shane's rich but childish dad.
—
EW.com, 5 June 2025
There is something of the rat terrier in her small white face, an intensity that has never seemed childish but unnaturally adult.
—Lizz Schumer, People.com, 17 June 2025
From baby animals to childish drawings, Labubu to Mary Janes, all things cute have entered the mainstream.
—Gemma A. Williams, Forbes.com, 17 June 2025
Controlling her own music was obviously a silly thing to even talk about — just a childish fantasy.
—Rob Sheffield, Rolling Stone, 30 May 2025
See All Example Sentences for childish
EW.com, 5 June 2025
There is something of the rat terrier in her small white face, an intensity that has never seemed childish but unnaturally adult.
—Lizz Schumer, People.com, 17 June 2025
From baby animals to childish drawings, Labubu to Mary Janes, all things cute have entered the mainstream.
—Gemma A. Williams, Forbes.com, 17 June 2025
Controlling her own music was obviously a silly thing to even talk about — just a childish fantasy.
—Rob Sheffield, Rolling Stone, 30 May 2025
See All Example Sentences for childish
Recent Examples of Synonyms for childish
Adjective
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At the very worst, an immature 18-year-old makes a horrific decision on a whim to deface his or her torso with a tableau of repulsive images that could potentially cause medical complications later in life.—
Scott Liftman,
Boston Herald,
25 July 2025
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The researchers showed how the interplay between a baby's rising sleep pressure and immature circadian rhythms can create seemingly erratic nap behavior that, in reality, follows a mathematically predictable pattern.—
Daniella Gray,
MSNBC Newsweek,
23 July 2025
Adjective
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Globally, obesity in adults has more than doubled since 1990, with adolescent rates quadrupling, the World Health Organization reported.—
Sara Chernikoff,
USA Today,
23 July 2025
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Rates of obesity in adults have more than doubled globally since 1990, and adolescent rates have quadrupled, according to the World Health Organization.—
Kaitlin Sullivan,
NBC news,
21 July 2025
Adjective
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In fact, juvenile arrests for violent felonies — including many in and around transit — increased in both 2023 and 2024, but these offenses were largely excluded from public crime data.—
Marc Molinaro,
New York Daily News,
25 July 2025
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He is wanted for simple kidnapping, cruelty to a juvenile and false imprisonment, the sheriff’s office says.—
Mark Price
July 24,
Miami Herald,
24 July 2025
Cite this Entry
“Childish.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/childish. Accessed 29 Jul. 2025.
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