2
seminal
2
shapeless(adjective, formless)
2
uncut
2
unfashioned
2
unimproved(adjective, improved)
2
uninitiated
2
unmatured
2
unperfected
2
unseasoned(inexperienced, young, childish, unformed)
2
unsound(weak, feeble, frail, deficient, incomplete)
2
untaught(adjective, simple, coarse, natural, raw)
2
untimely(adjective, inexperienced, young, childish, unformed)
2
unworked
2
unwrought
2
weak(feeble, frail, tiny, measly)
2
youthful(inexperienced, young, childish, unformed)
1
abridged
1
adulterated
1
amateurish(simple, natural, raw, bare, incomplete)
1
amorphous(adjective, imperfect, baggy, deformed, formless)
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APASmart Define. (2015). undeveloped thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/undeveloped/thesaurus/synonyms
ChicagoSmart Define. 2015. "undeveloped thesaurus" https://smartdefine.org/undeveloped/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, undeveloped thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/undeveloped/thesaurus/synonyms>.
MLASmart Define. "undeveloped thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/undeveloped/thesaurus/synonyms>