35 entries under childish topic. ×

19
puerile(adjective, innocent, inexperienced, infant, young)
18
immature(adjective, innocent, inexperienced, young, youth)
16
babyish(adjective, like, innocent, inexperienced, infant)
14
juvenile(adjective, innocent, inexperienced, young, childlike)
10
infantine(adjective, innocent, inexperienced, infant, young)
10
young(adjective, innocent, inexperienced, childlike)
9
baby(adjective, beginning, innocent, inexperienced, infant)
7
youthful(adjective, innocent, inexperienced, young)
5
adolescent(adjective, innocent, inexperienced, young, childlike)
5
sophomoric(adjective, inexperienced, young, undeveloped)
3
callow(innocent, inexperienced, infant, young, childlike)
3
jejune(innocent, inexperienced, young, childlike)
2
green(adjective, innocent, inexperienced, young, childlike)
2
inexperienced(adjective, young, undeveloped, unformed)
2
undeveloped(inexperienced, young, unformed)
2
unfledged(inexperienced, infant, young, smallish)
2
unripe(inexperienced, young, undeveloped, unformed)
1
half-grown(inexperienced, young, smallish, undeveloped)
1
imperfect(inexperienced, young, undeveloped, unformed)
1
kidstuff(inexperienced, young, undeveloped, unformed)
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APASmart Define. (2015). infantile thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/infantile/thesaurus/synonyms
ChicagoSmart Define. 2015. "infantile thesaurus" https://smartdefine.org/infantile/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, infantile thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/infantile/thesaurus/synonyms>.
MLASmart Define. "infantile thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/infantile/thesaurus/synonyms>