57 entries under puzzle topic. ×

24
problem(noun, trouble, difficulty, challenge, question)
24
riddle(noun, trouble, difficulty, challenge, question)
23
enigma(noun, trouble, difficulty, challenge, question)
20
conundrum(noun, trouble, difficulty, informal, challenge)
16
mystery(noun, trouble, difficulty, challenge, question)
12
question(noun, difficulty, secret, obscurity)
11
stumper(noun, difficulty, challenge, question, secret)
11
brainteaser(noun, difficulty, challenge, question, secret)
7
perplexity(noun, question, secret, mystery)
7
puzzlement(noun, trouble, challenge, question, secret)
7
why(noun, trouble, difficulty, challenge, question)
6
closed book(noun, expression, trouble, challenge, question)
6
example(noun, challenge, question, mystery)
4
brain-teaser(noun, trouble, challenge)
4
challenge(noun, question, mystery, riddle)
4
cryptogram(noun, difficulty, question, secret)
4
dilemma(noun, question, mystery, conundrum)
3
mystification(noun, trouble, challenge, question, secret)
3
bewilderment
3
knot(noun, riddle, enigma)
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APASmart Define. (2016). poser thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/poser/thesaurus/synonyms
ChicagoSmart Define. 2016. "poser thesaurus" https://smartdefine.org/poser/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, poser thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/poser/thesaurus/synonyms>.
MLASmart Define. "poser thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/poser/thesaurus/synonyms>