173 entries under foolish topic. ×
| unwise(weak, simple, silly, unreasonable) | |
| weird(adjective, strange, silly, fantastic) | |
| bats in the belfry(expression, idiom, silly, unwise) | |
| beyond all reason(expression, idiom, silly, fantastic) | |
| blithering | |
| bone-headed | |
| chuckle-headed | |
| cretinous | |
| derailed(adjective, wrong, wild, silly) | |
| derisory(silly, fantastic, unwise, impractical) | |
| feebleminded(weak, simple, silly, thoughtless) | |
| flipped out(adjective, silly, crazy, unwise) | |
| foolhardy(silly, fantastic, unwise, impractical) | |
| ill-advised(weak, simple, careless, silly) | |
| ill-conceived(silly, fantastic, unwise, impractical) | |
| ill-considered(weak, simple, careless, silly) | |
| illogical(strange, silly, stupid, unreasonable) | |
| impracticable(silly, fantastic, unwise, impractical) | |
| impractical(adjective, wrong, wild, silly) | |
| imprudent(weak, simple, careless, stupid) |
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| APA | Smart Define. (2015). loony thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/loony/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "loony thesaurus" https://smartdefine.org/loony/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, loony thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/loony/thesaurus/synonyms>. |
| MLA | Smart Define. "loony thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/loony/thesaurus/synonyms> |