- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
271 entries under adjective topic. ×
| harebrained(weak, simple, knowledge, ability) | |
| of unsound mind(expression, idiom, silly, mad) | |
| off-the-wall(crazy, mad, odd, insane) | |
| strange(unusual, silly, foolish, odd) | |
| twisted(crazy, mad, odd, insane) | |
| unreasonable(weak, simple, wrong, silly) | |
| whimsical(characteristic, person, behavior) | |
| bughouse | |
| delirious(crazy, mad, odd, insane) | |
| dopey(knowledge, slang, ability) | |
| dumb | |
| fatuitous | |
| hare-brained(silly, crazy, funny, zany) | |
| jerky(light, knowledge, slang, ability) | |
| maniacal(silly, foolish, crazy, mad) | |
| non compos mentis(law, sane) | |
| off the wall(expression, idiom, light, unusual) | |
| tomfool(knowledge, ability, informal, foolish) | |
| unearthly(knowledge, ability) | |
| unhinged(simple, silly, foolish, mad) |
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| APA | Smart Define. (2016). wacky thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/wacky/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "wacky thesaurus" https://smartdefine.org/wacky/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, wacky thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/wacky/thesaurus/synonyms>. |
| MLA | Smart Define. "wacky thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/wacky/thesaurus/synonyms> |