41 entries under puzzle topic. ×
| chiller(difficulty, question, secret, obscurity) | |
| cliffhanger(difficulty, question, secret, knot) | |
| cryptogram(difficulty, question, secret, knot) | |
| difficulty(question, secret, obscurity, subtlety) | |
| inscrutability(difficulty, question, secret, obscurity) | |
| inscrutableness(difficulty, question, secret, obscurity) | |
| rebus(difficulty, question, secret, obscurity) | |
| rune(difficulty, question, secret, obscurity) | |
| secrecy(difficulty, question, secret, obscurity) | |
| secret(question, problem, obscurity, knot) | |
| sixty-four-thousand-dollar question(expression, difficulty, question, secret) | |
| sphinx(difficulty, question, secret, knot) | |
| stickler(difficulty, question, secret, knot) | |
| subtlety(difficulty, question, secret, obscurity) | |
| teaser(difficulty, question, secret, knot) | |
| thriller(difficulty, question, secret, obscurity) | |
| twister(difficulty, question, secret, knot) | |
| whodunit(difficulty, question, secret, obscurity) | |
| mindboggler(difficulty, question, secret, obscurity) | |
| occult(difficulty, question, secret, obscurity) |
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| APA | Smart Define. (2016). why thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/why/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "why thesaurus" https://smartdefine.org/why/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, why thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/why/thesaurus/synonyms>. |
| MLA | Smart Define. "why thesaurus" 2 February 2016. Web. 24 September 2026. <https://smartdefine.org/why/thesaurus/synonyms> |