40 entries under puzzle topic. ×
| poser(difficulty, question, secret, obscurity) | |
| problem(difficulty, question, secret, knot) | |
| puzzlement(question, secret, obscurity, knot) | |
| puzzler(difficulty, question, problem, perplexity) | |
| question(difficulty, secret, obscurity, knot) | |
| rebus(difficulty, question, secret, perplexity) | |
| rune(difficulty, question, secret, perplexity) | |
| secrecy(difficulty, question, secret, obscurity) | |
| stickler(difficulty, question, secret, knot) | |
| subtlety(difficulty, question, secret, obscurity) | |
| thriller(difficulty, question, secret, perplexity) | |
| twister(difficulty, question, secret, knot) | |
| whodunit(difficulty, question, secret, perplexity) | |
| why(difficulty, question, secret, knot) | |
| mystery(noun, difficulty, question, secret) | |
| sixty-four-thousand-dollar question(expression, difficulty, question, secret) | |
| abstruseness(difficulty, question, secret, perplexity) | |
| brainteaser(difficulty, question, secret, perplexity) | |
| braintwister(difficulty, question, secret, perplexity) | |
| charade(difficulty, question, secret, obscurity) |
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| APA | Smart Define. (2015). sphinx thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sphinx/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sphinx thesaurus" https://smartdefine.org/sphinx/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, sphinx thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sphinx/thesaurus/synonyms>. |
| MLA | Smart Define. "sphinx thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/sphinx/thesaurus/synonyms> |