- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
| childish | |
| cockamamie | |
| crackpot(adjective, impractical, half-baked, doomed) | |
| curious(adjective, ridiculous) | |
| daffy(adjective, weak, simple, strange, foolish) | |
| diverting(adjective, light, silly, crazy, funny) | |
| entertaining(adjective, light, silly, crazy, funny) | |
| improbable | |
| invalid(adjective, foolish, fantastic, absurd) | |
| irresponsible(adjective, silly, foolish, stupid, fantastic) | |
| merry | |
| nuts(adjective, silly, foolish, unwise) | |
| playful(adjective, amusement) | |
| puerile(adjective, dull, silly, foolish, stupid) | |
| quizzical(funny, amusing, comic, ridiculousness, farcical) | |
| side-splitting(adjective, light, silly, crazy, funny) | |
| unintelligent(adjective, dull, weak, simple, silly) | |
| unthinkable | |
| unwise(adjective, weak, simple, wild, silly) | |
| witless(adjective, dull, weak, simple, silly) |
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| APA | Smart Define. (2015). ludicrous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ludicrous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "ludicrous thesaurus" https://smartdefine.org/ludicrous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, ludicrous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ludicrous/thesaurus/synonyms>. |
| MLA | Smart Define. "ludicrous thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/ludicrous/thesaurus/synonyms> |