- Definitions|0
- Thesaurus|64
- Abbreviations|1
43 entries under extraordinary topic. ×
| astonishing(amazing, dubious, incredible) | |
| beyond belief(expression, amazing, incredible) | |
| cockamamie(amazing, dubious, astonishing, incredible) | |
| cockeyed(amazing, dubious, astonishing, incredible) | |
| doubtful(unreasonable, amazing, dubious, astonishing) | |
| dubious(unreasonable, amazing, astonishing, unlikely) | |
| far-fetched(amazing, unlikely, unbelievable, incredible) | |
| fishy(unreasonable, amazing, dubious, unlikely) | |
| flaky(amazing, dubious, astonishing, incredible) | |
| flimsy(unreasonable, amazing, dubious, unlikely) | |
| full of holes(expression, idiom, unreasonable, dubious) | |
| harebrained(amazing, dubious, astonishing, incredible) | |
| implausible(adjective, amazing, likely, unlikely) | |
| impossible(unreasonable, amazing, dubious, unlikely) | |
| improbable(unreasonable, amazing, dubious, unlikely) | |
| incogitable(amazing, dubious, astonishing, incredible) | |
| inconceivable(unreasonable, amazing, dubious, unlikely) | |
| incredible(unreasonable, amazing, dubious, unlikely) | |
| kooky(amazing, dubious, astonishing, incredible) | |
| lamebrained(amazing, dubious, astonishing, incredible) |
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| APA | Smart Define. (2015). for the birds thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/for_the_birds/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "for the birds thesaurus" https://smartdefine.org/for_the_birds/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, for the birds thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/for_the_birds/thesaurus/synonyms>. |
| MLA | Smart Define. "for the birds thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/for_the_birds/thesaurus/synonyms> |