infantile

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.^[1]

• IPA^(key): /ˈɪnfəntaɪl/

infantile (comparative more infantile, superlative most infantile)

1. Pertaining to infants.

   infantile paralysis

   • 1963, Margery Allingham, chapter 9, in The China Governess: A Mystery, London: Chatto & Windus, →OCLC:

     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.

   Synonyms: juvenile, puerile; see also Thesaurus:childish

• IPA^(key): /ɛ̃.fɑ̃.til/

• Audio:

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infantile (plural infantiles)

1. infantile

• infantilisateur
• infantilisation
• infantiliser
• infantilité

• enfance
• enfant

• “infantile”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

From Latin īnfantilis.

• IPA^(key): /in.fanˈti.le/
• Rhymes: -ile
• Hyphenation: in‧fan‧tì‧le

infantile (plural infantili)

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

   Synonym: puerile

• infantilismo
• infantilità
• infantilmente

• infanzia

• infantile in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

• fentanili, infilante

infantile

1. definite natural masculine singular of infantil