40 entries under question topic. ×

1
mindboggler(difficulty, secret, puzzle, subtlety)
1
mystification(secret, puzzle, obscurity, subtlety)
1
occult(difficulty, secret, puzzle, subtlety)
1
oracle(difficulty, secret, puzzle, subtlety)
1
perplexity(noun, difficulty, doubt, secret)
1
poser(difficulty, secret, puzzle, subtlety)
1
problem(difficulty, secret, puzzle, obscurity)
1
puzzle(noun, difficulty, secret, obscurity)
1
puzzlement(secret, puzzle, obscurity, subtlety)
1
rebus(difficulty, secret, puzzle, subtlety)
1
rune(difficulty, secret, puzzle, subtlety)
1
secrecy(noun, difficulty, secret, puzzle)
1
sphinx(difficulty, secret, puzzle, perplexity)
1
stickler(difficulty, secret, puzzle, obscurity)
1
stumper(difficulty, secret, puzzle, perplexity)
1
subtlety(difficulty, secret, puzzle, obscurity)
1
teaser(difficulty, secret, puzzle, perplexity)
1
twister(difficulty, secret, puzzle, obscurity)
1
why(difficulty, secret, puzzle, obscurity)
0
puzzler(difficulty, puzzle, perplexity, mystery)
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APASmart Define. (2016). whodunit thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/whodunit/thesaurus/synonyms
ChicagoSmart Define. 2016. "whodunit thesaurus" https://smartdefine.org/whodunit/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, whodunit thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/whodunit/thesaurus/synonyms>.
MLASmart Define. "whodunit thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/whodunit/thesaurus/synonyms>