Infantile

//ˈɪnfəntaɪl// adj

Definitions

Adjective
  1. 1
    Pertaining to infants.

    "infantile paralysis"

  2. 2
    Childish; immature.
Adjective
  1. 1
    indicating a lack of maturity wordnet
  2. 2
    being or befitting or characteristic of an infant wordnet
  3. 3
    of or relating to infants or infancy wordnet

Etymology

Mid-15th century, "pertaining to infants," from Latin infantilis (“pertaining to an infant”), equivalent to infant + -ile, from īnfāns. Sense of "infant-like" is from 1772.

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