59 entries under puzzle topic. ×

57
enigma(noun, trouble, show, difficulty, challenge)
52
conundrum(noun, trouble, show, difficulty, challenge)
34
mystery(noun, trouble, show, difficulty, challenge)
27
problem(noun, trouble, difficulty, challenge, question)
25
brain-teaser(noun, trouble, challenge, question)
21
closed book(noun, expression, idiom, trouble, challenge)
21
poser(noun, trouble, difficulty, challenge, question)
20
secret(noun, trouble, challenge, question)
17
labyrinth(noun, secret, complexity, maze)
12
question(noun, difficulty, secret, obscurity)
11
puzzlement(noun, trouble, challenge, question, secret)
10
paradox(noun, trouble, challenge, question)
9
dilemma(noun, trouble, challenge, question)
9
mystification(noun, trouble, challenge, question, secret)
8
brainteaser(noun, difficulty, challenge, question, secret)
7
bewilderment
6
charade(noun, difficulty, question, secret)
6
rebus(noun, difficulty, question, secret)
6
whodunit(noun, difficulty, question, secret)
6
why(noun, trouble, challenge, question, secret)
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APASmart Define. (2016). riddle thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/riddle/thesaurus/synonyms
ChicagoSmart Define. 2016. "riddle thesaurus" https://smartdefine.org/riddle/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, riddle thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/riddle/thesaurus/synonyms>.
MLASmart Define. "riddle thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/riddle/thesaurus/synonyms>