Main Entry: child·ish

Pronunciation: \ˈchī(-ə)l-dish\

Function: adjective

Date: before 12th century

1 : of, relating to, or befitting a child or childhood
2 a : marked by or suggestive of immaturity and lack of poise <a childish spiteful remark> b : lacking complexity : simple <it's a childish device, but it works> c : deteriorated with age especially in mind : senile

— child·ish·ly adverb

— child·ish·ness noun