130 entries under childish topic. ×

2
kidstuff(adjective, inexperienced, young, immature)
2
lightweight(adjective, fool, silly)
2
mindless(adjective, fool, silly, stupid)
2
premature(adjective, inexperienced, young, immature)
2
raw(adjective, inexperienced, young, immature)
2
sophomoric(adjective, fresh, inexperienced, young, immature)
2
teenage(adjective, feature, poor, fresh)
2
tenderfoot(raw, inexperienced, young, immature)
2
underdeveloped(adjective, inexperienced, young, immature)
2
undergrown(adjective, inexperienced, young, immature)
2
undeveloped(adjective, inexperienced, young, immature)
2
unfinished(adjective, inexperienced, young, immature)
2
unfledged(adjective, fresh, raw, inexperienced, young)
2
unformed(adjective, inexperienced, young, immature)
2
unseasonable(adjective, inexperienced, young, immature)
2
untimely(adjective, dull, flat, slow, inexperienced)
2
wet behind ears(expression, inexperienced, young, immature)
2
yeasty(adjective, person, clear, free, waste)
1
air-headed(adjective, fool, silly)
1
airy(adjective, clear, free, waste, fool)
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APASmart Define. (2015). jejune thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/jejune/thesaurus/synonyms
ChicagoSmart Define. 2015. "jejune thesaurus" https://smartdefine.org/jejune/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, jejune thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/jejune/thesaurus/synonyms>.
MLASmart Define. "jejune thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/jejune/thesaurus/synonyms>