- Definitions|3
- Thesaurus|1.2k
- Abbreviations|0
51 entries under secret topic. ×
| brainteaser(noun, difficulty, challenge, question) | |
| cryptogram(noun, difficulty, question, puzzle) | |
| labyrinth | |
| occult(noun, difficulty, question, confidence) | |
| stumper(noun, trouble, difficulty, challenge, question) | |
| abstruseness(noun, difficulty, question, puzzle) | |
| thriller(noun, difficulty, question, puzzle) | |
| charade(noun, difficulty, question, puzzle) | |
| cipher(noun, confidence) | |
| code(noun, confidence) | |
| maze | |
| cabbalism | |
| inscrutableness(noun, difficulty, question, puzzle) | |
| oracle(noun, difficulty, question, confidence) | |
| tough nut to crack(noun, expression, idiom, difficulty) | |
| profound secret(expression, idiom) | |
| sealed book(expression, idiom) | |
| braintwister(noun, difficulty, question, puzzle) | |
| chiller(noun, difficulty, question, puzzle) | |
| cliffhanger(noun, difficulty, question, puzzle) |
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| APA | Smart Define. (2016). mystery thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/mystery/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "mystery thesaurus" https://smartdefine.org/mystery/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, mystery thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/mystery/thesaurus/synonyms>. |
| MLA | Smart Define. "mystery thesaurus" 31 March 2016. Web. 1 October 2026. <https://smartdefine.org/mystery/thesaurus/synonyms> |