49 entries under puzzle topic. ×

1
charade(question, obscurity, subtlety, secrecy)
1
chiller(question, obscurity, subtlety, secrecy)
1
cliffhanger(question, problem, obscurity, knot)
1
confusing(noun, question, riddle)
1
cryptogram(question, problem, obscurity, knot)
1
difficult problem(noun, question, riddle)
1
difficult question(noun, question, riddle)
1
difficulty(question, obscurity, subtlety, secrecy)
1
dilemma(noun, trouble, challenge)
1
grabber(question, problem, obscurity, knot)
1
inscrutability(question, perplexity, obscurity, subtlety)
1
inscrutableness(question, perplexity, obscurity, subtlety)
1
mind-breaker(noun, question, riddle)
1
mindboggler(question, perplexity, obscurity, subtlety)
1
poser(noun, question, obscurity, subtlety)
1
pun(noun, question, riddle)
1
puzzler(problem, perplexity, mystery, paradox)
1
question(problem, obscurity, knot, subtlety)
1
rebus(question, perplexity, obscurity, subtlety)
1
rune(question, perplexity, obscurity, subtlety)
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APASmart Define. (2016). secret thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/secret/thesaurus/synonyms
ChicagoSmart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, secret thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>.
MLASmart Define. "secret thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/secret/thesaurus/synonyms>