- Definitions|1
- Thesaurus|757
- Abbreviations|0
| dumbo | |
| dumdum | |
| dummy | |
| eccentric(impractical, half-baked, doomed) | |
| elfin | |
| emergent | |
| exceptional | |
| fantastic(impractical, half-baked, doomed) | |
| fatuous(impractical, half-baked, doomed) | |
| flat | |
| foolhardy(impractical, half-baked, doomed) | |
| foolish(impulsive, impractical, half-baked, doomed, unplanned) | |
| fragile(weak, feeble, tiny) | |
| goofy(impractical, half-baked, doomed) | |
| gorked | |
| half-pint(adjective, weak, feeble, little, tiny) | |
| half-witted | |
| harebrained(impulsive, impractical, half-baked, doomed, unplanned) | |
| held back | |
| idiotic(impulsive, impractical, half-baked, doomed, unplanned) |
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| APA | Smart Define. (2015). underdeveloped thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/underdeveloped/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underdeveloped thesaurus" https://smartdefine.org/underdeveloped/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, underdeveloped thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/underdeveloped/thesaurus/synonyms>. |
| MLA | Smart Define. "underdeveloped thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/underdeveloped/thesaurus/synonyms> |