Infantile Definition

ĭnfən-tīl, -tĭl
Of or having to do with infants or infancy.
Webster's New World
Displaying or suggesting a lack of maturity; childish.
Infantile behavior; an infantile remark.
American Heritage
Like, suitable for, or characteristic of an infant; babyish; childish or childlike; immature.
Webster's New World
In the earliest stage of development.
Webster's New World

Origin of Infantile

  • Middle English infantil from Latin īnfantīlis from īnfāns īnfant- infant infant

    From American Heritage Dictionary of the English Language, 5th Edition

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