- Definitions|2
- Thesaurus|2.7k
- Abbreviations|0
49 entries under irrational topic. ×
| foolish(adjective, characteristic, weak, simple, ability) | |
| asinine(adjective, characteristic, weak, simple, silly) | |
| idiotic(adjective, characteristic, weak, simple, wrong) | |
| insane(adjective, characteristic, weak, simple, wild) | |
| mindless(adjective, characteristic, ability, silly, stupid) | |
| crazy(adjective, characteristic, weak, simple, wild) | |
| mad(adjective, characteristic, weak, simple, wild) | |
| moronic(adjective, characteristic, weak, simple, silly) | |
| senseless(adjective, characteristic, weak, simple, wrong) | |
| ludicrous(adjective, characteristic, weak, simple, wild) | |
| unintelligent(adjective, characteristic, weak, simple, ability) | |
| lunatic(adjective, characteristic, weak, simple, wild) | |
| imbecilic(adjective, characteristic, weak, simple, silly) | |
| daft(adjective, characteristic, weak, simple, wild) | |
| loony(adjective, characteristic, weak, simple, wild) | |
| unreasonable(adjective, characteristic, weak, simple, silly) | |
| batty(adjective, characteristic, wild, silly, foolish) | |
| illogical(adjective, characteristic, simple, silly, sense) | |
| unwise(adjective, characteristic, weak, simple, wild) | |
| cuckoo(adjective, characteristic, wrong, wild, silly) |
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| APA | Smart Define. (2015). fatuous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fatuous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fatuous thesaurus" https://smartdefine.org/fatuous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, fatuous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fatuous/thesaurus/synonyms>. |
| MLA | Smart Define. "fatuous thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/fatuous/thesaurus/synonyms> |