- Definitions|1
- Thesaurus|178
- Abbreviations|0
40 entries under puzzle topic. ×
| mystery(noun, difficulty, question, secret) | |
| enigma(noun, question, secret, subtlety) | |
| closed book(noun, expression, idiom, question, secret) | |
| riddle(noun, difficulty, question, secret) | |
| secret(noun, question, perplexity, obscurity) | |
| thriller(noun, question, secret, subtlety) | |
| sixty-four-thousand-dollar question(expression, question, secret, subtlety) | |
| tough nut to crack(expression, idiom, difficulty, question, secret) | |
| abstruseness(difficulty, question, secret, subtlety) | |
| brainteaser(difficulty, question, secret, subtlety) | |
| braintwister(difficulty, question, secret, subtlety) | |
| charade(difficulty, question, secret, subtlety) | |
| chiller(noun, question, secret, subtlety) | |
| cliffhanger(difficulty, question, secret, obscurity) | |
| crux(difficulty, question, secret, obscurity) | |
| cryptogram(difficulty, question, secret, obscurity) | |
| difficulty(question, secret, obscurity, subtlety) | |
| grabber(noun, difficulty, doubt, question, secret) | |
| inscrutability(difficulty, question, secret, subtlety) | |
| inscrutableness(difficulty, question, secret, subtlety) |
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| APA | Smart Define. (2016). whodunit thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/whodunit/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "whodunit thesaurus" https://smartdefine.org/whodunit/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, whodunit thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/whodunit/thesaurus/synonyms>. |
| MLA | Smart Define. "whodunit thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/whodunit/thesaurus/synonyms> |