- Definitions|2
- Thesaurus|2.9k
- Abbreviations|0
75 entries under expression topic. ×
| at a premium(adjective, idiom, expensive, steep) | |
| bats in the belfry(idiom, silly, foolish, unwise) | |
| be absurd | |
| beyond reason(foolish, fantastic, unrealistic) | |
| bugged out(adjective, stupid, crazy, insane) | |
| contra bonos mores(idiom, undueness) | |
| crack up(funny, amusing, farcical) | |
| flipped out(silly, foolish, crazy, mad) | |
| for the birds(idiom, extraordinary, amazing, incredible) | |
| full of holes(idiom, extraordinary, amazing, incredible) | |
| full of hot air(idiom, foolish, stupid, senseless) | |
| initial particle | |
| last straw(shocking, shameful, disgraceful) | |
| mad as a March hare(idiom, silly, foolish, unwise) | |
| make a detour | |
| mentally incompetent(adjective, stupid, crazy, insane) | |
| mentally strange(silly, foolish, unwise) | |
| not the thing(idiom, undueness) | |
| on stilts(idiom, exaggeration) | |
| out of place(false, irregular, unsuitable, unfitting) |
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| APA | Smart Define. (2015). preposterous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, preposterous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>. |
| MLA | Smart Define. "preposterous thesaurus" 2 September 2015. Web. 22 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms> |