- Definitions|0
- Thesaurus|203
- Abbreviations|0
46 entries under unlikely topic. ×
| visionary(adjective, happy, perfect, fantastic, extravagant) | |
| whimsical(adjective, happy, perfect, fantastic, extravagant) | |
| far-fetched(adjective, fantastic, imaginary, unbelievable) | |
| invented(adjective, fantastic, imaginary, unbelievable) | |
| out of this world(expression, adjective, idiom, fantastic, imaginary) | |
| unbelievable(adjective, fantastic, imaginary, whimsical) |
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| APA | Smart Define. (2011). castles in the air thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/castles_in_the_air/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "castles in the air thesaurus" https://smartdefine.org/castles_in_the_air/thesaurus/synonyms (accessed October 2, 2026). |
| Harvard | Smart Define 2011, castles in the air thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/castles_in_the_air/thesaurus/synonyms>. |
| MLA | Smart Define. "castles in the air thesaurus" 24 May 2011. Web. 2 October 2026. <https://smartdefine.org/castles_in_the_air/thesaurus/synonyms> |