- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
| maniacal(adjective, silly, foolish, crazy, mad) | |
| non compos mentis(adjective, law, sane) | |
| off the wall(expression, adjective, idiom, light, unusual) | |
| tomfool(adjective, knowledge, ability, informal, foolish) | |
| unearthly(adjective, knowledge, ability) | |
| unhinged(adjective, simple, silly, foolish, mad) | |
| unrealistic(silly, foolish, unwise, impractical) | |
| unsound(adjective, wrong, silly, foolish, stupid) | |
| capricious(adjective, characteristic, person, behavior) | |
| clownish | |
| disordered(adjective, sane) | |
| empty-headed | |
| gonzo(adjective, characteristic, person, behavior) | |
| illogical(adjective, wrong, silly, foolish, sense) | |
| imbecile | |
| infatuated | |
| maniac(noun, adjective, sane) | |
| mental(adjective, simple, silly, foolish, mad) | |
| mentally ill(adjective, sane) | |
| mindless(adjective, wrong, careless, silly, foolish) |
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| APA | Smart Define. (2016). wacky thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/wacky/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "wacky thesaurus" https://smartdefine.org/wacky/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, wacky thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/wacky/thesaurus/synonyms>. |
| MLA | Smart Define. "wacky thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/wacky/thesaurus/synonyms> |