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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Example Sentences
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Recent Examples of infantile
If nothing else is done with those mice, that association will apparently be forgotten later in life due to infantile amnesia.
—
John Timmer, Ars Technica, 21 Mar. 2025
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
See All Example Sentences for infantile
John Timmer, Ars Technica, 21 Mar. 2025
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
See All Example Sentences for infantile
Recent Examples of Synonyms for infantile
Adjective
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He's gone on numerous rants about the 26-year-old, most recently calling him childish for his actions in Dallas' preseason finale.—
Kevin McCormick,
MSNBC Newsweek,
28 Aug. 2025
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That’s the mark of a public servant who brings intellectual depth to his role, not someone deserving of childish attacks.—
Aegis reader commentary,
Baltimore Sun,
21 Aug. 2025
Adjective
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But for now, the cost to implement what is still an unproven and immature AI solution at a small business is too prohibitive.—
Gene Marks,
Forbes.com,
1 Sep. 2025
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When first released, Marfenin’s hydrozoan medusae are immature.—
Aspen Pflughoeft,
Miami Herald,
28 Aug. 2025
Adjective
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Asha Patton-Smith, MD, a child and adolescent psychiatrist at Kaiser Permanente in Virginia, emphasizes paying attention to the emotional toll.—
Adrienne Farr,
Parents,
5 Sep. 2025
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Researchers can investigate coping strategies and resources that empower Black and Hispanic teens and their parents, and evaluate their effectiveness in supporting adolescent well-being.—
Alvin Thomas,
The Conversation,
5 Sep. 2025
Adjective
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The effort led Gajić to find two kitefin sharks, one baby and one juvenile, the study said.—
Aspen Pflughoeft,
Miami Herald,
8 Sep. 2025
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Patton had been working on a gravel road with his tractor near Mulberry Mountain when a 70-pound juvenile black bear attacked him, AGFC officials said, per the outlets.—
Kimberlee Speakman,
PEOPLE,
6 Sep. 2025
Cite this Entry
“Infantile.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infantile. Accessed 11 Sep. 2025.
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