Definitions for "Infantile"
Of or pertaining to infancy, or to an infant; similar to, or characteristic of, an infant; childish; as, infantile behavior.
indicating a lack of maturity; "childish tantrums"; "infantile behavior"
of or relating to infants or infancy; "infantile paralysis"
(kink) Those who enjoy the use of baby-associated items as fetishes or items of arousal, often diapers, bibs, pacifiers, bonnets and the like. Sometimes related with watersports and scat.
being or befitting or characteristic of an infant; "infantile games"
the period in an individual's life cycle from birth to the eruption of the first permanent teeth.