95 entries under silly topic. ×
| fatuous(adjective, wrong, wild, strange) | |
| foolhardy(foolish, fantastic, unwise, impractical) | |
| frenzied(adjective, wrong, wild, foolish) | |
| goofy(strange, foolish, fantastic, odd) | |
| half-baked(careless, foolish, stupid, fantastic) | |
| harebrained(careless, foolish, stupid, fantastic) | |
| ill-conceived(foolish, fantastic, unwise, impractical) | |
| impracticable(foolish, fantastic, unwise, impractical) | |
| impractical(adjective, wrong, happy, perfect, wild) | |
| imprudent(adjective, wild, strange, foolish) | |
| irresponsible(adjective, wrong, wild, strange) | |
| lunatic(adjective, wrong, wild, foolish) | |
| mad as a hatter(expression, idiom, wrong, wild) | |
| mental(unusual, foolish, stupid, unwise) | |
| nutty as fruitcake(expression, idiom, wrong, wild) | |
| out of all reason(expression, idiom, foolish, fantastic) | |
| out to lunch(expression, idiom, foolish, unwise) | |
| psychopathic(wrong, wild, foolish, stupid) | |
| puerile(foolish, fantastic, unwise, impractical) | |
| quixotic(happy, foolish, fantastic, unwise) |
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| APA | Smart Define. (2016). bizarre thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/bizarre/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "bizarre thesaurus" https://smartdefine.org/bizarre/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, bizarre thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/bizarre/thesaurus/synonyms>. |
| MLA | Smart Define. "bizarre thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/bizarre/thesaurus/synonyms> |