- Definitions|0
- Thesaurus|77
- Abbreviations|2
27 entries under foolish topic. ×
| daft(silly, stupid) | |
| idiotic(silly, stupid) | |
| moronic(silly, stupid) | |
| senseless(silly, stupid) | |
| simple(silly, stupid) | |
| simpleminded(silly, stupid) | |
| witless(silly, stupid) | |
| unintelligent(adjective, silly, stupid) | |
| brainless(silly, stupid) | |
| deficient(silly, stupid) | |
| dense(silly, stupid) | |
| doltish(silly, stupid) | |
| dumb(silly, stupid) | |
| empty-headed(silly, stupid) | |
| half-witted(silly, stupid) | |
| imbecilic(silly, stupid) | |
| inane(silly, stupid) | |
| meaningless(silly, stupid) | |
| mentally handicapped(expression, silly, stupid) | |
| mindless(silly, stupid) |
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| APA | Smart Define. (2015). mentally deficient thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/mentally_deficient/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mentally deficient thesaurus" https://smartdefine.org/mentally_deficient/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, mentally deficient thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mentally_deficient/thesaurus/synonyms>. |
| MLA | Smart Define. "mentally deficient thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/mentally_deficient/thesaurus/synonyms> |