9
babyish(adjective, weak, tender, inexperienced, infant)
9
infantile(adjective, innocent, inexperienced, infant, young)
8
childish(adjective, weak, tender, silly, green)
8
puerile(adjective, weak, tender, innocent, green)
6
childlike(adjective, youth)
5
immature(adjective, innocent, inexperienced, young, childlike)
4
baby(weak, tender, innocent, green, inexperienced)
4
infant
3
callow(weak, tender, innocent, green, inexperienced)
3
newborn
2
boyish
2
girlish
2
jejune(innocent, inexperienced, young, childlike, childish)
2
juvenile(adjective, weak, tender, inexperienced, young)
2
kittenish
2
young(adjective, innocent, inexperienced, childlike, childish)
1
adolescent(innocent, inexperienced, young, childlike, childish)
1
anile
1
babish
1
cherubic(adjective, youth)
11 years ago|2k views|share |citing 
APASmart Define. (2015). infantine thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/infantine/thesaurus/synonyms
ChicagoSmart Define. 2015. "infantine thesaurus" https://smartdefine.org/infantine/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, infantine thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/infantine/thesaurus/synonyms>.
MLASmart Define. "infantine thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/infantine/thesaurus/synonyms>