27 entries under undeveloped topic. ×

26
immature(adjective, tender, pure, silly, foolish)
17
young(adjective, silly, little, inexperienced, young)
9
youthful(adjective, weak, tender, new, silly)
7
green(adjective, weak, tender, new, silly)
6
callow(adjective, weak, tender, silly, little)
6
inexperienced(adjective, tender, new, little, green)
6
tender(adjective, weak, new, little, green)
6
unsophisticated(adjective, tender, pure, silly, innocent)
5
sophomoric(adjective, inexperienced, young, unformed)
2
unripe(adjective, weak, tender, new, little)
2
underdeveloped(inexperienced, young, unformed)
2
unformed(inexperienced, young)
1
crude(inexperienced, unsophisticated, young, immature)
1
half-grown(inexperienced, young, unformed)
1
imperfect(inexperienced, young, unformed)
1
kid(weak, tender, green, inexperienced, young)
1
kidstuff(inexperienced, young, unformed)
1
premature(inexperienced, young, unformed)
1
raw(inexperienced, young, unformed)
1
small(young, unformed)
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APASmart Define. (2015). childish thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/childish/thesaurus/synonyms
ChicagoSmart Define. 2015. "childish thesaurus" https://smartdefine.org/childish/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, childish thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/childish/thesaurus/synonyms>.
MLASmart Define. "childish thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/childish/thesaurus/synonyms>