10
riddles(noun, secrets)
8
puzzles(noun, secrets)
5
enigmas(noun, secrets)
5
mysteries(noun, secrets)
4
problems(noun, secrets)
3
cryptograms(noun, secrets)
3
posers(noun, secrets)
3
puzzlers
3
twisters
1
bamboozlers
1
brain-teasers
1
brainteasers(noun, secrets)
1
challenges(noun, questions, puzzles, mysteries)
1
charades
1
ciphers(noun, secrets)
1
cliffhangers
1
codes(noun, secrets)
1
cruces
1
cruxes
1
dilemmas
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APASmart Define. (2015). conundrums thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/conundrums/thesaurus/synonyms
ChicagoSmart Define. 2015. "conundrums thesaurus" https://smartdefine.org/conundrums/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, conundrums thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/conundrums/thesaurus/synonyms>.
MLASmart Define. "conundrums thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/conundrums/thesaurus/synonyms>