- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
52 entries under extraordinary topic. ×
| cockeyed(amazing, incredible) | |
| fishy(adjective, unreasonable, amazing, dubious) | |
| flimsy(unreasonable, amazing, dubious, unlikely) | |
| for the birds(expression, idiom, unreasonable, dubious) | |
| full of holes(expression, idiom, unreasonable, dubious) | |
| great(amazing, incredible) | |
| harebrained(silly, amazing, ridiculous, absurd) | |
| imcomprehensible(strange, unbelievable, implausible, unthinkable) | |
| incogitable(strange, amazing, unbelievable, implausible) | |
| insupposable(strange, unbelievable, implausible, improbable) | |
| lamebrained(amazing, incredible) | |
| mind-boggling(adjective, strange, amazing, unbelievable) | |
| open to doubt(expression, idiom, amazing, incredible) | |
| past belief(expression, amazing, incredible) | |
| phony(strange, amazing, unbelievable, implausible) | |
| rare(strange, unbelievable, implausible, unthinkable) | |
| reachy(strange, silly, unreasonable, dubious) | |
| scatterbrained(amazing, incredible) | |
| screwy(amazing, incredible) | |
| strange(adjective, unbelievable, implausible, unthinkable) |
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| APA | Smart Define. (2016). impossible thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impossible/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "impossible thesaurus" https://smartdefine.org/impossible/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, impossible thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impossible/thesaurus/synonyms>. |
| MLA | Smart Define. "impossible thesaurus" 9 March 2016. Web. 24 September 2026. <https://smartdefine.org/impossible/thesaurus/synonyms> |