- Definitions|0
- Thesaurus|44
- Abbreviations|0
35 entries under difficulty topic. ×
| rebus(question, secret, puzzle, subtlety) | |
| riddle(question, secret, puzzle, obscurity) | |
| rune(question, secret, puzzle, subtlety) | |
| secrecy(question, secret, puzzle, obscurity) | |
| sphinx(question, secret, puzzle, obscurity) | |
| stickler(question, secret, puzzle, obscurity) | |
| stumper(question, secret, puzzle, obscurity) | |
| subtlety(question, secret, puzzle, obscurity) | |
| teaser(question, secret, puzzle, obscurity) | |
| thriller(question, secret, puzzle, subtlety) | |
| twister(question, secret, puzzle, obscurity) | |
| whodunit(question, secret, puzzle, subtlety) | |
| why(question, secret, puzzle, obscurity) | |
| abstruseness(question, secret, puzzle, subtlety) | |
| puzzler(question, puzzle, mystery, conundrum) |
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| APA | Smart Define. (2011). sixty-four-thousand-dollar question thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sixty-four-thousand-dollar_question/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "sixty-four-thousand-dollar question thesaurus" https://smartdefine.org/sixty-four-thousand-dollar_question/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2011, sixty-four-thousand-dollar question thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sixty-four-thousand-dollar_question/thesaurus/synonyms>. |
| MLA | Smart Define. "sixty-four-thousand-dollar question thesaurus" 24 May 2011. Web. 29 September 2026. <https://smartdefine.org/sixty-four-thousand-dollar_question/thesaurus/synonyms> |