40 entries under secret topic. ×
| enigma(noun, difficulty, challenge, question, problem) | |
| problem(noun, difficulty, challenge, question) | |
| riddle(noun, difficulty, challenge, question, problem) | |
| stumper(noun, difficulty, challenge, question, problem) | |
| closed book(expression, difficulty, question, puzzle) | |
| cryptogram(difficulty, question, puzzle, knot) | |
| grabber(noun, difficulty, challenge, question, problem) | |
| mystery(noun, difficulty, challenge, doubt, question) | |
| mystification(question, puzzle, obscurity, knot) | |
| perplexity(noun, difficulty, question, puzzle) | |
| poser(noun, difficulty, challenge, question) | |
| puzzle(noun, difficulty, challenge, question, problem) | |
| puzzlement(question, puzzle, obscurity, knot) | |
| sixty-four-thousand-dollar question(expression, difficulty, question, puzzle) | |
| stickler(noun, difficulty, challenge, question, problem) | |
| teaser(noun, difficulty, challenge, question, problem) | |
| tough nut to crack(expression, idiom, question, puzzle) | |
| abstruseness(difficulty, question, puzzle, obscurity) | |
| brainteaser(noun, difficulty, challenge, question) | |
| braintwister(difficulty, question, puzzle, obscurity) |
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| APA | Smart Define. (2016). twister thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/twister/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "twister thesaurus" https://smartdefine.org/twister/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, twister thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/twister/thesaurus/synonyms>. |
| MLA | Smart Define. "twister thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/twister/thesaurus/synonyms> |