Definition of BABYISH

having or showing the annoying qualities (as silliness) associated with children <the boy now thinks that playing with blocks is a rather babyish activity>
Related Words boyish, brattish, bratty, girlie (or girly), girlish; childlike, innocent, naive (or naïve), simple, simplistic, unsophisticated
Antonyms adult, grown-up, mature

Seen & Heard

What made you want to look up babyish? Please tell us where you read or heard it (including the quote, if possible).