- Definitions|1
- Thesaurus|2.3k
- Abbreviations|0
| empty(adjective, ineffective, fruitless) | |
| illiterate(adjective, silly, stupid, green, fat) | |
| ludicrous(adjective, dull, weak, simple, silly) | |
| mad(adjective, weak, simple, silly, foolish) | |
| meaningless(adjective, dull, simple, slight, silly) | |
| simple-minded(adjective, dull, simple, slow, silly) | |
| stupefied(dull, witless) | |
| thick-headed(adjective, dull, silly, foolish, stupid) | |
| thickheaded | |
| uneducated(adjective, silly, stupid, green, fat) | |
| unskillful(adjective, mind, think) | |
| retarded | |
| absurd(adjective, weak, simple, silly, foolish) | |
| birdbrained(silly, foolish, stupid, crazy, insane) | |
| boneheaded | |
| chuckleheaded | |
| cloddish | |
| crazy(adjective, weak, simple, silly, foolish) | |
| cretinous(adjective, unintellectual) | |
| daffy(adjective, weak, simple, slow, silly) |
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| APA | Smart Define. (2016). unintelligent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unintelligent/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unintelligent thesaurus" https://smartdefine.org/unintelligent/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, unintelligent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unintelligent/thesaurus/synonyms>. |
| MLA | Smart Define. "unintelligent thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unintelligent/thesaurus/synonyms> |