infantile

[ in-fuhn-tahyl, -til ]
/ ˈɪn fənˌtaɪl, -tɪl /
SEE SYNONYMS FOR infantile ON THESAURUS.COM

adjective

characteristic of or befitting an infant; babyish; childish: infantile behavior.
of or relating to infants or infancy: infantile diseases.
Physical Geography. youthful(def 5).

Origin of infantile

From the Latin word infantīlis, dating back to 1690–1700. See infant, -ile

synonym study for infantile

1. See childish.

OTHER WORDS FROM infantile

in·fan·til·i·ty [in-fuhn-til-i-tee] /ˌɪn fənˈtɪl ɪ ti/, noun

Words nearby infantile

infant prodigy, infant school, infanta, infante, infanticide, infantile, infantile acropustulosis, infantile autism, infantile cortical hyperostosis, infantile digital fibromatosis, infantile eczema

Words related to infantile

childish, sophomoric, immature, juvenile, youthful

Example sentences from the Web for infantile

British Dictionary definitions for infantile

infantile
/ (ˈɪnfənˌtaɪl) /

adjective

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

Derived forms of infantile

infantility (ˌɪnfənˈtɪlɪtɪ), noun

Medical definitions for infantile

infantile
[ ĭn′fən-tīl′, -tĭl ]

adj.

Of or relating to infants or infancy.
Displaying or suggesting a lack of maturity; extremely childish.