130 entries under childish topic. ×

1
in the blade(adjective, fresh, teen, unexperienced)
1
in the gristle(adjective, fresh, teen, unexperienced)
1
indiscreet(adjective, fool, silly)
1
irresponsible(adjective, fool, silly)
1
kid stuff(adjective, silly, immature)
1
light-headed(adjective, clear, free, waste, fool)
1
light-minded(adjective, fool, silly)
1
light minded(adjective, fool, silly)
1
lightheaded(adjective, fool, silly)
1
lightsome(adjective, fool, silly)
1
mischievous(adjective, fresh, teen, unexperienced)
1
neanic(adjective, fresh, teen, unexperienced)
1
play fast and loose(adjective, fool, silly)
1
preadult(adjective, fresh, teen, unexperienced)
1
primitive(adjective, fresh, teen, unexperienced)
1
scatter-brained(adjective, fool, silly)
1
schoolboy(adjective, fresh, teen, unexperienced)
1
shallow-hearted(adjective, fool, silly)
1
shallow hearted(adjective, fool, silly)
1
teen-age(adjective, fresh, teen, unexperienced)
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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>