33
green(adjective, simple, poor, tender, informal)
29
young(adjective, light, slight, poor, new)
28
juvenile(adjective, raw, innocent, inexperienced, young)
27
childish(adjective, tender, pure, silly, foolish)
26
puerile(adjective, stupid, raw, innocent, inexperienced)
22
unripe(adjective, tender, new, fresh, raw)
20
raw(adjective, simple, poor, plain, new)
19
fresh(adjective, new, young, raw, youthful)
19
callow(adjective, simple, tender, new, coarse)
18
inexperienced(adjective, tender, new, raw, innocent)
17
youthful(adjective, new, hot, natural, raw)
17
adolescent(adjective, innocent, inexperienced, unsophisticated, young)
16
unfledged(adjective, new, raw, inexperienced, luxuriant)
15
infantile(adjective, innocent, inexperienced, young, childlike)
14
undeveloped(adjective, simple, slight, natural, deficient)
14
new(adjective, raw, innocent, little, green)
14
premature(adjective, careless, quick, impulsive, inexperienced)
14
unfinished(adjective, simple, natural, deficient, inexperienced)
13
unformed(adjective, simple, rough, coarse, natural)
11
babyish(adjective, like, limited, innocent, meager)
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APASmart Define. (2016). immature thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/immature/thesaurus/synonyms
ChicagoSmart Define. 2016. "immature thesaurus" https://smartdefine.org/immature/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, immature thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/immature/thesaurus/synonyms>.
MLASmart Define. "immature thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/immature/thesaurus/synonyms>