1
trivial
1
underdeveloped(inexperienced, young, childish, undeveloped, unformed)
1
undergrown(inexperienced, young, childish, undeveloped, unformed)
1
unfinished(inexperienced, young, childish, undeveloped, unformed)
1
unformed(inexperienced, young, childish, undeveloped)
1
unseasonable(inexperienced, young, childish, undeveloped, unformed)
1
unseasoned(inexperienced, young, childish, undeveloped, unformed)
1
unsophisticated(adjective, innocent, inexperienced, young, childlike)
1
untimely(inexperienced, young, childish, undeveloped, unformed)
1
weak
1
wet behind ears(expression, inexperienced, young, childish, undeveloped)
0
asinine
0
babyhood
0
beardless
0
cherubic(adjective, youth)
0
child
0
child-like
0
childhood
0
childishly immature
0
children
11 years ago|6.5k views|share |citing 
APASmart Define. (2015). infantile thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/infantile/thesaurus/synonyms
ChicagoSmart Define. 2015. "infantile thesaurus" https://smartdefine.org/infantile/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, infantile thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/infantile/thesaurus/synonyms>.
MLASmart Define. "infantile thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/infantile/thesaurus/synonyms>