- Definitions|2
- Thesaurus|618
- Abbreviations|0
24 entries under challenge topic. ×
| enigma(noun, trouble, show, difficulty) | |
| riddle(noun, trouble, show, difficulty) | |
| mystery(noun, trouble, show, difficulty) | |
| puzzle(noun, trouble, show, difficulty) | |
| brain-teaser(noun, trouble, show, difficulty, informal) | |
| problem(noun, trouble, show, difficulty) | |
| closed book(noun, expression, idiom, trouble, show) | |
| poser(noun, trouble, show, difficulty, informal) | |
| secret(noun, trouble, show, difficulty) | |
| puzzlement(noun, trouble, show, difficulty) | |
| mystification(noun, trouble, show, difficulty) | |
| dilemma(noun, trouble, show, difficulty) | |
| teaser(noun, trouble, show, difficulty) | |
| brainteaser(noun, difficulty, question, secret) | |
| puzzler(noun, trouble, show, difficulty) | |
| difficult choice(noun, expression, trouble, show, difficulty) | |
| difficult decision(noun, expression, trouble, show, difficulty) | |
| difficult problem(noun, expression, trouble, show, difficulty) | |
| difficult riddle(noun, expression, trouble, show, difficulty) | |
| why(noun, trouble, show, difficulty) |
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| APA | Smart Define. (2016). conundrum thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/conundrum/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "conundrum thesaurus" https://smartdefine.org/conundrum/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, conundrum thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/conundrum/thesaurus/synonyms>. |
| MLA | Smart Define. "conundrum thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/conundrum/thesaurus/synonyms> |