- Definitions|1
- Thesaurus|400
- Abbreviations|0
| retarded(adjective, impulsive, impractical, half-baked, doomed) | |
| screwy | |
| unthinking(adjective, dull, simple, slow, silly) | |
| blithering(adjective, foolish) | |
| blockheaded(adjective, dull, slow, foolish, stupid) | |
| crackpot(adjective, foolish, impractical, half-baked, doomed) | |
| daffy(adjective, weak, simple, slow, silly) | |
| dull-witted | |
| gormless | |
| lunatic(adjective, weak, simple, knowledge, ability) | |
| outlandish | |
| rattle-brained | |
| short-sighted(adjective, weak, simple, silly, foolish) | |
| simpleminded(adjective, dull, silly, foolish, stupid) | |
| slow(adjective, dull, simple, silly, foolish) | |
| stolid(adjective, dull, simple, slow, foolish) | |
| subnormal | |
| thick-witted(adjective, foolish, stupid, crazy, insane) | |
| thickheaded | |
| thimble-witted |
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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> |