46 entries under unbelievable topic. ×
| suppositious(adjective, fake, happy, perfect, false) | |
| whimsical(adjective, happy, perfect, fantastic, extravagant) | |
| unreal(adjective, light, weak, slight, fake) | |
| far-fetched(adjective, fantastic, imaginary, unlikely) | |
| out of this world(expression, adjective, idiom, fantastic, imaginary) | |
| unlikely(adjective, fantastic, imaginary, whimsical) |
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| APA | Smart Define. (2015). aerial thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/aerial/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "aerial thesaurus" https://smartdefine.org/aerial/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, aerial thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/aerial/thesaurus/synonyms>. |
| MLA | Smart Define. "aerial thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/aerial/thesaurus/synonyms> |