46 entries under mystery topic. ×

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bugaboo(noun, challenge, question, puzzle)
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challenge(noun, question, puzzle, riddle)
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cliff-hanger(noun, challenge, question, puzzle)
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illustration(noun, challenge, question, puzzle)
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query(noun, challenge, doubt, question, uncertainty)
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sixty-four thousand dollar question(noun, expression, idiom, challenge, question)
<123>
10 years ago|7.2k views|share |citing 
APASmart Define. (2016). stickler thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/stickler/thesaurus/synonyms
ChicagoSmart Define. 2016. "stickler thesaurus" https://smartdefine.org/stickler/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, stickler thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/stickler/thesaurus/synonyms>.
MLASmart Define. "stickler thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/stickler/thesaurus/synonyms>