[in-fuh n-tahyl, -til] /ˈɪn fənˌtaɪl, -tɪl/

characteristic of or befitting an ; babyish; childish:
infantile behavior.
of or relating to or :
infantile diseases.
Physical Geography. (def 5).
like a child in action or behaviour; childishly immature; puerile
of, relating to, or characteristic of infants or infancy
in an early stage of development

mid-15c., “pertaining to infants,” from Latin infantilis “pertaining to an infant,” from infans (see infant). Sense of “infant-like” is from 1772.

infantile in·fan·tile (ĭn’fən-tīl’, -tĭl)


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