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38 entries under secret topic. ×

1
problem(difficulty, question, puzzle, obscurity)
1
puzzle(difficulty, question, obscurity, mystery)
1
puzzlement(question, puzzle, obscurity, subtlety)
1
question(difficulty, puzzle, obscurity, subtlety)
1
rebus(difficulty, question, puzzle, subtlety)
1
riddle(difficulty, question, puzzle, obscurity)
1
rune(difficulty, question, puzzle, subtlety)
1
secrecy(difficulty, question, puzzle, obscurity)
1
sphinx(difficulty, question, puzzle, obscurity)
1
stickler(difficulty, question, puzzle, obscurity)
1
stumper(difficulty, question, puzzle, obscurity)
1
subtlety(difficulty, question, puzzle, obscurity)
1
teaser(difficulty, question, puzzle, obscurity)
1
thriller(difficulty, question, puzzle, subtlety)
1
twister(difficulty, question, puzzle, obscurity)
1
whodunit(difficulty, question, puzzle, subtlety)
1
why(difficulty, question, puzzle, obscurity)
0
abstruseness(difficulty, question, puzzle, subtlety)
<12>
15 years ago|403 views|share |citing 
APASmart Define. (2011). sixty-four-thousand-dollar question thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sixty-four-thousand-dollar_question/thesaurus/synonyms
ChicagoSmart Define. 2011. "sixty-four-thousand-dollar question thesaurus" https://smartdefine.org/sixty-four-thousand-dollar_question/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2011, sixty-four-thousand-dollar question thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sixty-four-thousand-dollar_question/thesaurus/synonyms>.
MLASmart Define. "sixty-four-thousand-dollar question thesaurus" 24 May 2011. Web. 1 October 2026. <https://smartdefine.org/sixty-four-thousand-dollar_question/thesaurus/synonyms>