115 entries under adjective topic. ×

1
undomesticated(simple, rough, crude, basic)
1
unlearned(simple, rough, crude, basic)
1
untaught(simple, rough, crude, naive)
1
untrained(simple, rough, crude, naive)
1
untutored(simple, rough, crude, basic)
0
birdbrained(impulsive, impractical, half-baked, doomed)
0
dim
0
dim-witted
0
disadvantaged
0
dopey
0
dumbbell
0
dumbo
0
dumdum
0
dummy
0
elfin
0
emergent
0
exceptional
0
gorked
0
half-pint(weak, feeble, little, tiny)
0
half-witted
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APASmart Define. (2015). underdeveloped thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/underdeveloped/thesaurus/synonyms
ChicagoSmart Define. 2015. "underdeveloped thesaurus" https://smartdefine.org/underdeveloped/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, underdeveloped thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/underdeveloped/thesaurus/synonyms>.
MLASmart Define. "underdeveloped thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/underdeveloped/thesaurus/synonyms>