49 entries under puzzle topic. ×

36
enigma(noun, trouble, challenge, question)
28
mystery(noun, trouble, challenge, unknown)
22
occult(noun, adjective, evil, obscure, dark)
22
riddle(noun, trouble, challenge, question)
20
conundrum(noun, trouble, challenge, question)
16
closed book(noun, expression, idiom, trouble, challenge)
11
brain-teaser(noun, trouble, challenge, question)
5
whodunit(noun, question, perplexity, obscurity)
4
oracle(noun, question, confidence, obscurity)
4
puzzlement(noun, trouble, challenge, question)
3
mystification(noun, trouble, challenge, question)
3
paradox(noun, trouble, challenge, question)
3
perplexity(noun, question, problem, obscurity)
2
brainteaser(noun, question, perplexity, obscurity)
2
crux(noun, trouble, challenge, question)
2
secrecy(question, obscurity, subtlety, anonymity)
2
teaser(noun, question, knot, mystery)
1
problem(noun, trouble, challenge, question)
1
abstruseness(question, perplexity, obscurity, subtlety)
1
braintwister(question, perplexity, obscurity, subtlety)
<123>
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APASmart Define. (2016). secret thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/secret/thesaurus/synonyms
ChicagoSmart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, secret thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>.
MLASmart Define. "secret thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/secret/thesaurus/synonyms>