36 entries under difficulty topic. ×
| enigma(noun, challenge, question, problem) | |
| problem(noun, challenge, question, secret) | |
| riddle(noun, challenge, question, problem) | |
| stumper(noun, challenge, question, problem) | |
| closed book(expression, question, secret, puzzle) | |
| cryptogram(question, secret, puzzle, knot) | |
| grabber(noun, challenge, question, problem) | |
| mystery(noun, challenge, doubt, question) | |
| perplexity(noun, question, secret, puzzle) | |
| poser(noun, challenge, question, secret) | |
| puzzle(noun, challenge, question, problem) | |
| sixty-four-thousand-dollar question(expression, question, secret, puzzle) | |
| stickler(noun, challenge, question, problem) | |
| teaser(noun, challenge, question, problem) | |
| abstruseness(question, secret, puzzle, obscurity) | |
| brainteaser(noun, challenge, question, secret) | |
| braintwister(question, secret, puzzle, obscurity) | |
| charade(question, secret, puzzle, obscurity) | |
| chiller(question, secret, puzzle, obscurity) | |
| cliffhanger(question, secret, puzzle, knot) |
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| APA | Smart Define. (2016). twister thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/twister/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "twister thesaurus" https://smartdefine.org/twister/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, twister thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/twister/thesaurus/synonyms>. |
| MLA | Smart Define. "twister thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/twister/thesaurus/synonyms> |