65 entries under mystery topic. ×
| query(noun, challenge, doubt, question, uncertainty) | |
| sixty-four thousand dollar question(noun, expression, idiom, challenge, question) | |
| skeleton in cupboard(expression, idiom, confidence) | |
| skeleton in the cupboard(expression, idiom, confidence) | |
| unrevealed |
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| APA | Smart Define. (2016). riddle thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/riddle/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "riddle thesaurus" https://smartdefine.org/riddle/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, riddle thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/riddle/thesaurus/synonyms>. |
| MLA | Smart Define. "riddle thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/riddle/thesaurus/synonyms> |