Infantile definition

ĭnfən-tīl, -tĭl
In the earliest stage of development.
adjective
3
1
Displaying or suggesting a lack of maturity; childish.

Infantile behavior; an infantile remark.

adjective
1
1
Of or having to do with infants or infancy.
adjective
0
0
Like, suitable for, or characteristic of an infant; babyish; childish or childlike; immature.
adjective
0
0
adjective
0
0
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adjective
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0
Of or relating to infants or infancy.
adjective
0
1

Origin of infantile

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

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