86 entries under silly topic. ×
| zany(adjective, wild, foolish, crazy) | |
| beyond all reason(expression, idiom, foolish, fantastic) | |
| derisory(foolish, fantastic, unwise, impractical) | |
| fatuous(foolish, fantastic, unwise, impractical) | |
| foolhardy(foolish, fantastic, unwise, impractical) | |
| goofy(strange, foolish, crazy, fantastic) | |
| half-baked(foolish, fantastic, unwise, impractical) | |
| harebrained(adjective, wild, strange, foolish) | |
| idiotic(adjective, wild, strange, foolish) | |
| ill-conceived(foolish, fantastic, unwise, impractical) | |
| impracticable(foolish, fantastic, unwise, impractical) | |
| inane(foolish, fantastic, unwise, impractical) | |
| irresponsible(foolish, fantastic, unwise, impractical) | |
| madcap(adjective, crazy, zany, wacky) | |
| nutty as fruitcake(expression, idiom, foolish, unwise) | |
| out of all reason(expression, idiom, foolish, fantastic) | |
| out to lunch(expression, idiom, foolish, unwise) | |
| puerile(foolish, fantastic, unwise, impractical) | |
| quixotic(foolish, fantastic, unwise, impractical) | |
| short-sighted(foolish, fantastic, unwise, impractical) |
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| Harvard | Smart Define 2016, odd thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/odd/thesaurus/synonyms>. |
| MLA | Smart Define. "odd thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/odd/thesaurus/synonyms> |