44 entries under secret topic. ×
| crux criticorum(expression, idiom) | |
| logogriph | |
| monogram | |
| nut to crack(expression, idiom) |
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| APA | Smart Define. (2015). sphinx thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sphinx/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sphinx thesaurus" https://smartdefine.org/sphinx/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, sphinx thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sphinx/thesaurus/synonyms>. |
| MLA | Smart Define. "sphinx thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/sphinx/thesaurus/synonyms> |