- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
172 entries under foolish topic. ×
| incautious(adjective, weak, simple, silly) | |
| indiscreet(adjective, weak, simple, silly) | |
| injudicious(adjective, weak, simple, silly) | |
| mad as a hatter(expression, adjective, idiom, silly) | |
| nutty as fruitcake(expression, idiom, silly, mad) | |
| peculiar(adjective, silly, crazy, fantastic) | |
| unintelligent(weak, simple, silly, crazy) | |
| unzipped(adjective, wild, silly, mad) | |
| mad as a March hare(expression, idiom, silly, mad) | |
| aberrant(hot, unreasonable, illogical, preoccupied) | |
| acting crazy(expression, adjective, silly, crazy) | |
| ape(silly, crazy, mad, irrational) | |
| beyond all reason(expression, idiom, silly, fantastic) | |
| derisory(silly, fantastic, unwise, impractical) | |
| dingy(silly, mad, unwise) | |
| doltish(weak, simple, silly, thoughtless) | |
| enthusiastic(adjective, silly, crazy, mad) | |
| fallacious(false, unreasonable, ill, unhealthy) | |
| feebleminded(weak, simple, silly, thoughtless) | |
| freaky(unstable, unreasonable, disturbed, illogical) |
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| APA | Smart Define. (2015). insane thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/insane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insane thesaurus" https://smartdefine.org/insane/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, insane thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/insane/thesaurus/synonyms>. |
| MLA | Smart Define. "insane thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/insane/thesaurus/synonyms> |