- Definitions|2
- Thesaurus|2.9k
- Abbreviations|0
390 entries under adjective topic. ×
| exacting(unreasonable, extravagant, ridiculous, excessive) | |
| fancy(excessive, expensive, steep, high-priced) | |
| fantastical(happy, perfect, fantastic, extravagant) | |
| fatuitous | |
| fishy(extraordinary, fantastic, amazing, absurd) | |
| flaky(great, wrong, happy, perfect) | |
| flighty(simple, careless, wild, foolish) | |
| fool | |
| giddy(simple, rough, careless, wild) | |
| goofy(strange, foolish, stupid, fantastic) | |
| hard to believe(expression, idiom) | |
| hare-brained(silly, foolish, crazy, zany) | |
| hilarious(silly, foolish, stupid, fantastic) | |
| idealistic | |
| inept | |
| intolerable(extreme, immoral, shocking, atrocious) | |
| irresponsible(wrong, careless, wild, foolish) | |
| jocular(funny, ridiculous, pitiful, pathetic) | |
| loopy(knowledge, ability, informal, foolish) | |
| mirthful |
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| APA | Smart Define. (2015). preposterous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, preposterous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>. |
| MLA | Smart Define. "preposterous thesaurus" 2 September 2015. Web. 23 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms> |