19 entries under challenge topic. ×
| enigma(noun, difficulty, question, problem) | |
| problem(noun, difficulty, question, secret) | |
| riddle(noun, difficulty, question, problem) | |
| stumper(noun, difficulty, question, problem) | |
| grabber(noun, difficulty, question, problem) | |
| mystery(noun, difficulty, doubt, question) | |
| poser(noun, difficulty, question, secret) | |
| puzzle(noun, difficulty, question, problem) | |
| stickler(noun, difficulty, question, problem) | |
| teaser(noun, difficulty, question, problem) | |
| brainteaser(noun, difficulty, question, secret) | |
| intricacy(noun, question, puzzle, mystery) | |
| mind-boggler(noun, doubt, question, problem) | |
| puzzler(noun, difficulty, question, problem) | |
| bugaboo(noun, question, puzzle, mystery) | |
| cliff-hanger(noun, question, puzzle, mystery) | |
| illustration(noun, question, puzzle, mystery) | |
| query(noun, doubt, question, uncertainty) | |
| sixty-four thousand dollar question(noun, expression, idiom, question) |
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| APA | Smart Define. (2016). twister thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/twister/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "twister thesaurus" https://smartdefine.org/twister/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, twister thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/twister/thesaurus/synonyms>. |
| MLA | Smart Define. "twister thesaurus" 29 February 2016. Web. 28 September 2026. <https://smartdefine.org/twister/thesaurus/synonyms> |