- Definitions|1
- Thesaurus|400
- Abbreviations|0
| bone-headed(adjective, foolish) | |
| chuckle-headed(adjective, foolish) | |
| cockamamy(silly, thoughtless, unwise) | |
| crack-brained | |
| cracked | |
| crass | |
| defective(adjective, unintellectual) | |
| deficient(adjective, dull, silly, foolish, stupid) | |
| demented | |
| dizzy | |
| dopy | |
| double talk(expression, adjective, silly, stupid, insignificant) | |
| fatuitous | |
| feather-headed | |
| flaky(adjective, silly, stupid, insignificant, unreasonable) | |
| foolhardy(adjective, foolish, crazy, insane, impractical) | |
| futile(adjective, dull, simple, slow, silly) | |
| green(adjective, innocent, thick, unfamiliar, unconscious) | |
| half-wit(adjective, unintellectual) | |
| ill-advised(adjective, dull, weak, simple, silly) |
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| APA | Smart Define. (2015). imbecilic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imbecilic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "imbecilic thesaurus" https://smartdefine.org/imbecilic/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, imbecilic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imbecilic/thesaurus/synonyms>. |
| MLA | Smart Define. "imbecilic thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/imbecilic/thesaurus/synonyms> |