- Definitions|2
- Thesaurus|2.9k
- Abbreviations|0
103 entries under fantastic topic. ×
| absurd(adjective, hard, weak, simple, wrong) | |
| ridiculous(adjective, weak, simple, wrong, wild) | |
| ludicrous(adjective, weak, simple, wrong, false) | |
| foolish(adjective, weak, simple, wrong, knowledge) | |
| nonsensical(adjective, weak, simple, wrong, knowledge) | |
| crazy(adjective, weak, simple, wrong, knowledge) | |
| silly(adjective, weak, simple, wrong, knowledge) | |
| outrageous(adjective, severe, evil, harsh, offensive) | |
| extravagant(adjective, severe, happy, harsh, offensive) | |
| idiotic(adjective, weak, simple, wrong, knowledge) | |
| insane(adjective, weak, simple, wrong, knowledge) | |
| wild(adjective, wrong, happy, perfect, strange) | |
| incredible(adjective, great, happy, perfect, extraordinary) | |
| fatuous(adjective, wrong, wild, foolish, stupid) | |
| inane(adjective, foolish, stupid, senseless) | |
| risible(adjective, funny, absurd, amusing) | |
| unbelievable(adjective, hard, great, obscure, difficult) | |
| loony(adjective, weak, simple, wrong, knowledge) | |
| bizarre(adjective, wrong, happy, perfect, unusual) | |
| cockeyed(adjective, knowledge, ability, informal, silly) |
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| APA | Smart Define. (2015). preposterous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, preposterous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>. |
| MLA | Smart Define. "preposterous thesaurus" 2 September 2015. Web. 25 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms> |