173 entries under foolish topic. ×
| incoherent(unreasonable, illogical) | |
| invalid(unreasonable, illogical) | |
| keen(adjective, warm, silly, crazy) | |
| mentally strange(expression, silly, unwise) | |
| sophistic(unreasonable, illogical) | |
| specious(unreasonable, illogical) | |
| unfounded(unreasonable, illogical) | |
| unpredictable(adjective, silly, crazy, zany) | |
| unrealistic(silly, fantastic, unwise, impractical) | |
| unusual(adjective, keen, warm, silly) | |
| unzipped(silly, unwise) | |
| warm(adjective, keen, silly, crazy) | |
| zealous(adjective, keen, warm, silly) |
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| APA | Smart Define. (2015). loony thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/loony/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "loony thesaurus" https://smartdefine.org/loony/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, loony thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/loony/thesaurus/synonyms>. |
| MLA | Smart Define. "loony thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/loony/thesaurus/synonyms> |