- Definitions|0
- Thesaurus|163
- Abbreviations|1
93 entries under foolish topic. ×
| fatuous(adjective, wrong, wild, silly) | |
| foolhardy(silly, unwise) | |
| goofy(silly, unwise) | |
| half-baked(silly, unwise) | |
| harebrained(silly, unwise) | |
| ill-conceived(adjective, wild, silly, senseless) | |
| impracticable(silly, unwise) | |
| imprudent(silly, unwise) | |
| inane(silly, unwise) | |
| inappropriate(silly, unwise) | |
| irrational(adjective, wrong, wild, silly) | |
| irresponsible(adjective, wrong, wild, silly) | |
| ludicrous(silly, unwise) | |
| nonsensical(silly, unwise) | |
| odd(silly, unwise) | |
| out of all reason(expression, adjective, idiom, wild, silly) | |
| outlandish(silly, unwise) | |
| outrageous(silly, unwise) | |
| peculiar(silly, unwise) | |
| preposterous(adjective, wrong, wild, silly) |
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| APA | Smart Define. (2011). mad as a hatter thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "mad as a hatter thesaurus" https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2011, mad as a hatter thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>. |
| MLA | Smart Define. "mad as a hatter thesaurus" 23 May 2011. Web. 30 September 2026. <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms> |