Main Entry: in·fan·tile

Pronunciation: \ˈin-fən-ˌtī(-ə)l, -t^əl, -ˌtēl, -(ˌ)til\

Function: adjective

Date: 1696

1 : of or relating to infants or infancy
2 : suitable to or characteristic of an infant; especially : very immature <infantile humor>

— in·fan·til·i·ty \ˌin-fən-ˈti-lə-tē\ noun