Synonyms and Antonyms of puerile
1 having or showing the annoying qualities (as silliness) associated with children <told the teenagers that such puerile behavior would not be tolerated during the ceremony> Synonyms adolescent, babyish, immature, infantile, jejune, juvenile, kiddish, childishRelated 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
2 lacking in adult experience or maturity <allowed the company to be taken over by a bunch of puerile whippersnappers fresh out of business school> Synonyms adolescent, green, immature, inexperienced, juvenile, callow, raw, unfledged, unformed, unripe, unripenedRelated Words babyish, childish, infantile, infantilized, infantine; boyish, girlish, juvenescent, kiddish, young, youngish, youthful; maidenly, virginal; ingenuous, innocent, naive (or naïve), tender; unknowing, unseasoned, unsophisticated, untrained, untriedNear Antonyms advanced, precocious; knowing, savvy, sophisticated, worldly, worldly-wiseAntonyms adult, experienced, grown-up, mature, ripe
3 lacking in seriousness or maturity <the kind of puerile jokes that teenage moviegoers apparently love> Synonyms birdbrained, ditzy (or ditsy), dizzy, featherbrained, flighty, frivolous, frothy, futile, goofy, harebrained, light-headed, light-minded, giddy, scatterbrained, silly, yeastyRelated Words fatuous, foolish, inane, nonsensical, thoughtless, witless; crazy, daffy, daft, fruity; exuberant, flippant, fluttery, giggly, happy, light, lighthearted, playful; sappy, shallow, superficialNear Antonyms grave, melancholy, somber (or sombre), thoughtful; dignified, heavy, no-nonsense, sedate, severe, solemn, staidAntonyms earnest, serious, serious-minded, sober, unfrivolous
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