- Definitions|0
- Thesaurus|542
- Abbreviations|1
88 entries under foolish topic. ×
| stupid(adjective, dull, cold, silly) | |
| absurd(silly, unwise) | |
| beyond all reason(expression, adjective, idiom, wild, silly) | |
| bizarre(silly, unwise) | |
| cockeyed(silly, unwise) | |
| derisory(adjective, wild, silly, senseless) | |
| fantastic(silly, unwise) | |
| fatuous(silly, unwise) | |
| harebrained(silly, unwise) | |
| ill-conceived(adjective, wild, silly, senseless) | |
| impracticable(silly, unwise) | |
| inappropriate(silly, unwise) | |
| irresponsible(silly, unwise) | |
| odd(silly, unwise) | |
| out of all reason(expression, adjective, idiom, wild, silly) | |
| outlandish(silly, unwise) | |
| outrageous(silly, unwise) | |
| peculiar(silly, unwise) | |
| preposterous(silly, unwise) | |
| quixotic(silly, unwise) |
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| APA | Smart Define. (2013). out to lunch thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/out_to_lunch/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "out to lunch thesaurus" https://smartdefine.org/out_to_lunch/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2013, out to lunch thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/out_to_lunch/thesaurus/synonyms>. |
| MLA | Smart Define. "out to lunch thesaurus" 17 May 2013. Web. 29 September 2026. <https://smartdefine.org/out_to_lunch/thesaurus/synonyms> |