103 entries under silly topic. ×
| foolish(simple, stupid, unsound, unwise) | |
| half-baked(simple, foolish, unsound, unwise) | |
| harebrained(foolish, unwise) | |
| ill-conceived(foolish, unwise) | |
| impracticable(foolish, unwise) | |
| imprudent(foolish, unwise) | |
| inane(simple, foolish, unsound, unwise) | |
| inappropriate(foolish, unwise) | |
| ludicrous(foolish, unwise) | |
| nonsensical(foolish, unwise) | |
| out of all reason(expression, idiom, foolish, unwise) | |
| outlandish(foolish, unwise) | |
| outrageous(foolish, unwise) | |
| peculiar(unusual, foolish, unwise, weird) | |
| puerile(foolish, unwise) | |
| short-sighted(foolish, unwise) | |
| stupid(foolish, unwise) | |
| unrealistic(foolish, unwise) | |
| unreasonable(foolish, stupid) | |
| unwise |
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| APA | Smart Define. (2015). mental thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/mental/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mental thesaurus" https://smartdefine.org/mental/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, mental thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/mental/thesaurus/synonyms>. |
| MLA | Smart Define. "mental thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/mental/thesaurus/synonyms> |