11 entries under problem topic. ×

10
enigma(noun, trouble, difficulty, challenge, question)
6
mystery(noun, trouble, difficulty, challenge, question)
5
puzzle(noun, trouble, difficulty, challenge, question)
5
puzzler(noun, difficulty, challenge, question)
3
riddle(noun, difficulty, challenge, question)
3
twister(noun, difficulty, challenge, question)
2
grabber(noun, difficulty, challenge, question)
2
mind-boggler(noun, challenge, doubt, question)
2
stickler(noun, difficulty, challenge, question)
2
teaser(noun, difficulty, challenge, question)
1
conundrum(noun, informal, question)
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APASmart Define. (2016). stumper thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/stumper/thesaurus/synonyms
ChicagoSmart Define. 2016. "stumper thesaurus" https://smartdefine.org/stumper/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, stumper thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/stumper/thesaurus/synonyms>.
MLASmart Define. "stumper thesaurus" 29 February 2016. Web. 21 September 2026. <https://smartdefine.org/stumper/thesaurus/synonyms>