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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For decades, bartenders have been defaming the Mai Tai, debasing it, making and selling versions of the drink that were childish and incomplex, saccharine and flat.—
Jason O'Bryan,
Robb Report,
13 Sep. 2025
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Although childish and superficial, his renaming the Department of Defense as the Department of War doesn’t telegraph a love of peace.—
Steven Greenhut,
Oc Register,
12 Sep. 2025
Adjective
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There was no data on frequency, dose, or method of cannabis consumption, and only immature eggs, which are less ideal for reproduction, were available for lab experiments.—
New Atlas,
New Atlas,
10 Sep. 2025
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When immature eggs—known as oocytes, which are eggs that have not yet fully developed to the stage where they can be fertilized—were exposed to THC at levels similar to those detected in patients, researchers observed more frequent chromosome errors.—
Daniella Gray,
MSNBC Newsweek,
9 Sep. 2025
Adjective
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But in recent years, psychologists, sociologists and concerned parents alike have noticed a growing number of young adults who seem caught in this adolescent quicksand — unable or unwilling to take the next step into adulthood.—
Mark Travers,
Forbes.com,
13 Sep. 2025
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Advertisement Advertisement Boston Children’s Hospital was home to the first pediatric and adolescent transgender health program in the nation, according to court documents.—
Solcyré Burga,
Time,
10 Sep. 2025
Adjective
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As the consequences of permanent records became clear—blocking access to jobs, housing, and education—states began experimenting with mechanisms to seal or expunge certain convictions, usually for first-time or juvenile offenders.—
Walter Pavlo,
Forbes.com,
15 Sep. 2025
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Unlike natural thinning, large fire-resilient trees are typically high-graded for felling in Jackson, creating tinderboxes of 300 to 500 mostly juvenile trees per acre.—
John P. O’Brien,
Mercury News,
13 Sep. 2025
Cite this Entry
“Infantile.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infantile. Accessed 17 Sep. 2025.
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