as in childish
having or showing the annoying qualities (as silliness) associated with children
the infantile humor that teenage boys are justly famous for
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Recent Examples of infantile
For a long time, infantile amnesia was thought to be tied to an inability to make memories in infancy.
—
Sam Walters, Discover Magazine, 20 Mar. 2025
If this is correct, is there a connection between song and the most basic infantile communication?
—Aaron Shattuck, Scientific American, 18 Feb. 2025
The infantile abomination that is The Boss Baby is the most unhinged example of the studio’s manic folly.
—James Grebey, Vulture, 31 Jan. 2025
But, true to form, Abbott doesn’t self-righteously shove these issues in our faces, lecturing on about statistics or writing the students as infantile or helpless.
—Ile-Ife Okantah, Vulture, 16 Jan. 2025
See All Example Sentences for infantile
Sam Walters, Discover Magazine, 20 Mar. 2025
If this is correct, is there a connection between song and the most basic infantile communication?
—Aaron Shattuck, Scientific American, 18 Feb. 2025
The infantile abomination that is The Boss Baby is the most unhinged example of the studio’s manic folly.
—James Grebey, Vulture, 31 Jan. 2025
But, true to form, Abbott doesn’t self-righteously shove these issues in our faces, lecturing on about statistics or writing the students as infantile or helpless.
—Ile-Ife Okantah, Vulture, 16 Jan. 2025
See All Example Sentences for infantile
Recent Examples of Synonyms for infantile
Adjective
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The exchange ended with both men accusing the other of acting childish.—
Kinsey Crowley,
USA Today,
26 June 2025
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Compiled from Candace Bushnell’s column of the same name from The New York Observer, the book is a dark and bizarre look at dating in 1990s New York, where men are pathologically childish, cruel, and self-centered, and women are domineering, striving, and manipulative.—
Alice Bolin
June 23,
Literary Hub,
23 June 2025
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
“Infantile.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infantile. Accessed 29 Jul. 2025.
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