- Definitions|1
- Thesaurus|757
- Abbreviations|0
| undergrown(adjective, little, inexperienced, young, childish) | |
| underweight | |
| undomesticated(adjective, simple, rough, crude, basic) | |
| unenlightened | |
| unfashioned | |
| unhewn | |
| unindustrialized | |
| unlabored | |
| unlearned(adjective, simple, rough, crude, basic) | |
| unlicked | |
| unpolished | |
| unprocessed | |
| unrefined | |
| unseasonable(inexperienced, young, childish, undeveloped, unformed) | |
| unseasoned(inexperienced, young, childish, undeveloped, unformed) | |
| unsophisticated(simple, crude, basic, inexperienced, young) | |
| untaught(adjective, simple, rough, crude, naive) | |
| untrained(adjective, simple, rough, crude, naive) | |
| untreated | |
| untutored(adjective, simple, rough, crude, basic) |
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| APA | Smart Define. (2015). underdeveloped thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/underdeveloped/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underdeveloped thesaurus" https://smartdefine.org/underdeveloped/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, underdeveloped thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/underdeveloped/thesaurus/synonyms>. |
| MLA | Smart Define. "underdeveloped thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/underdeveloped/thesaurus/synonyms> |