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infantile Line breaks: in¦fant|ile
Pronunciation: /ˈɪnf(ə)ntʌɪl/

Definition of infantile in English:


1Of or occurring among babies or very young children: infantile colic
More example sentences
  • There are plenty of bright shiny colors to keep baby's infantile brain firing on all ten billion synapses until the juice box kicks in.
  • The crossover design is unlikely to provide valid evidence because infantile colic is an unstable condition, and the effects of dicyclomine may continue even after a washout period.
  • There is no evidence that simethicone works for infantile colic.
1.1 derogatory Childish: infantile jokes
More example sentences
  • It's a terrible, infantile longing for really childish flavours.
  • Better a cheap and infantile joke than no joke at all, or so I thought.
  • These beauties spend their time exchanging infantile jokes suitable for the playground.


Pronunciation: /ɪnf(ə)nˈtɪlɪti/
noun (plural infantilities)
Example sentences
  • His regard is for infantility, not infants.
  • Civilized infantility refers to the fact that the adults in this society act like infants socially in the goals of their relationships.
  • Infantility, indefinitely prolonged, is also the indefinite prolongation of (false) promise.


Late Middle English: from French, or from Latin infantilis, from infans, infant- (see infant).

Definition of infantile in:
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