11
embryonic(adjective, simple, slight, limited, basic)
11
tender(adjective, informal, new, raw, little)
10
crude(adjective, simple, plain, new, hot)
10
half-assed
10
silly(adjective, foolish, innocent, absurd, risky)
10
unsophisticated(adjective, tender, pure, new, raw)
9
boyish(adjective, young, youthful)
9
jejune(noun, adjective, silly, raw, innocent)
8
incomplete(adjective, poor, plain, inadequate, bare)
8
rudimentary(adjective, simple, natural, basic, fundamental)
8
underdeveloped(adjective, hidden, inexperienced, concealed, developed)
8
unseasoned(adjective, new, hot, natural, raw)
8
untried(adjective, new, raw, inept, inexperienced)
7
childlike(adjective, tender, pure, new, innocent)
7
imperfect(adjective, bare, deficient, inexperienced, incomplete)
7
sappy
7
small(adjective, light, weak, slight, poor)
6
incipient(adjective, young, unripe)
6
junior(adjective, young)
6
short(adjective, incomplete)
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APASmart Define. (2016). immature thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/immature/thesaurus/synonyms
ChicagoSmart Define. 2016. "immature thesaurus" https://smartdefine.org/immature/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, immature thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/immature/thesaurus/synonyms>.
MLASmart Define. "immature thesaurus" 29 February 2016. Web. 26 September 2026. <https://smartdefine.org/immature/thesaurus/synonyms>