- Definitions|3
- Thesaurus|1.2k
- Abbreviations|0
35 entries under conundrum topic. ×
| tough nut to crack(noun, expression, idiom, difficulty, secret) | |
| challenge(noun, difficulty, issue, question, subject) | |
| chiller(noun, difficulty, question, secret, puzzle) | |
| cliffhanger(noun, difficulty, question, secret, puzzle) | |
| doubt(issue, question, subject, problem, puzzle) | |
| grabber(noun, difficulty, challenge, doubt, question) | |
| query(noun, dispute, challenge, doubt, question) | |
| sphinx(noun, difficulty, question, secret, puzzle) | |
| stickler(noun, difficulty, challenge, doubt, question) | |
| teaser(noun, difficulty, challenge, doubt, question) | |
| twister(noun, difficulty, challenge, doubt, question) | |
| bugaboo(noun, challenge, question, puzzle) | |
| cliff-hanger(noun, challenge, question, puzzle) | |
| illustration(noun, challenge, question, puzzle) | |
| sixty-four thousand dollar question(noun, expression, idiom, challenge, question) |
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| APA | Smart Define. (2016). mystery thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mystery/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "mystery thesaurus" https://smartdefine.org/mystery/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, mystery thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mystery/thesaurus/synonyms>. |
| MLA | Smart Define. "mystery thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/mystery/thesaurus/synonyms> |