infantile

Mid-15th century, "pertaining to infants," from Latin infantilis "pertaining to an infant," from Latin infans. Sense of "infant-like" is from 1772.

infantile (comparative more infantile, superlative most infantile)

1. Pertaining to infants.

   infantile paralysis

   • 1963, Margery Allingham, chapter 9, in The China Governess‎:

     Eustace gaped at him in amazement. When his urbanity dropped away from him, as now, he had an innocence of expression which was almost infantile. It was as if the world had never touched him at all.

2. Childish; immature.

• (childish): puerile

• infantilely
• infantilise

infantile (plural infantiles)

1. infantile

• infantilisateur
• infantilisation
• infantiliser
• infantilité

infantile (masculine and feminine plural infantili)

1. infantile (relating to children or babies)
2. infantile puerile, childish, babyish

• (childish): puerile

• infantilismo
• infantilità
• infanzia

• infilante

infantile

1. absolute definite natural masculine form of infantil.