- Definitions|3
- Thesaurus|1.2k
- Abbreviations|0
39 entries under challenge topic. ×
| stumper(noun, trouble, difficulty, question) | |
| quandary(noun, trouble, question) | |
| intricacy(noun, question, puzzle, dilemma) | |
| vexed question(noun, trouble, question) | |
| head-scratcher(noun, trouble, brainteaser) | |
| mind-boggler(noun, doubt, question, problem) | |
| cruncher(noun, trouble, question) | |
| difficult question(noun, trouble, question) | |
| facer(noun, trouble, question) | |
| grabber(noun, difficulty, doubt, question) | |
| informalposer(noun, trouble, question) | |
| query(noun, dispute, doubt, question) | |
| stickler(noun, difficulty, doubt, question) | |
| teaser(noun, difficulty, doubt, question) | |
| twister(noun, difficulty, doubt, question) | |
| bugaboo(noun, question, puzzle, conundrum) | |
| cliff-hanger(noun, question, puzzle, conundrum) | |
| illustration(noun, question, puzzle, conundrum) | |
| sixty-four thousand dollar question(noun, expression, idiom, 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> |