Synonyms and Antonyms of infantile
having or showing the annoying qualities (as silliness) associated with children the infantile humor that teenage boys are justly famous for Synonyms adolescent, babyish, immature, childish, jejune, juvenile, kiddish, puerileRelated Words boyish, brattish, bratty, girlie (or girly), girlish; childlike, innocent, naive (or naïve), simple, simplistic, unsophisticatedNear Antonyms unchildlike; cosmopolitan, experienced, knowing, smart, sophisticated, worldly, worldly-wiseAntonyms adult, grown-up, mature
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