1
undergrown(adjective, little, inexperienced, young, childish)
1
underweight
1
undomesticated(adjective, simple, rough, crude, basic)
1
unenlightened
1
unfashioned
1
unhewn
1
unindustrialized
1
unlabored
1
unlearned(adjective, simple, rough, crude, basic)
1
unlicked
1
unpolished
1
unprocessed
1
unrefined
1
unseasonable(inexperienced, young, childish, undeveloped, unformed)
1
unseasoned(inexperienced, young, childish, undeveloped, unformed)
1
unsophisticated(simple, crude, basic, inexperienced, young)
1
untaught(adjective, simple, rough, crude, naive)
1
untrained(adjective, simple, rough, crude, naive)
1
untreated
1
untutored(adjective, simple, rough, crude, basic)
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APASmart Define. (2015). underdeveloped thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/underdeveloped/thesaurus/synonyms
ChicagoSmart Define. 2015. "underdeveloped thesaurus" https://smartdefine.org/underdeveloped/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, underdeveloped thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/underdeveloped/thesaurus/synonyms>.
MLASmart Define. "underdeveloped thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/underdeveloped/thesaurus/synonyms>