44 entries under puzzle topic. ×

33
conundrum(noun, trouble, difficulty, informal, challenge)
29
enigma(noun, trouble, challenge, question)
28
riddle(noun, trouble, challenge, question)
18
mystery(noun, trouble, challenge, question)
14
closed book(noun, expression, trouble, challenge)
12
secret(noun, trouble, challenge, question)
9
problem(noun, trouble, challenge, question)
6
puzzlement(noun, trouble, challenge, question)
5
poser(noun, trouble, challenge, question)
4
mystification(noun, trouble, challenge, question)
4
paradox(noun, trouble, challenge, question)
3
why(noun, trouble, challenge)
2
difficult problem(noun, question, riddle)
2
dilemma(noun, trouble, challenge, question)
2
stumper(noun, question, dilemma, complexity)
2
teaser(noun, question, dilemma, complexity)
2
twister(noun, question, conundrum)
1
bewilderment(noun, question, conundrum)
1
brainteaser(noun, question, riddle)
1
charade(noun, question, dilemma, complexity)
<123>
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APASmart Define. (2016). brain-teaser thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/brain-teaser/thesaurus/synonyms
ChicagoSmart Define. 2016. "brain-teaser thesaurus" https://smartdefine.org/brain-teaser/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, brain-teaser thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/brain-teaser/thesaurus/synonyms>.
MLASmart Define. "brain-teaser thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/brain-teaser/thesaurus/synonyms>