111 entries under noun topic. ×

12
poser(difficulty, challenge, question, secret)
10
enigma(trouble, difficulty, challenge, question)
9
problem(trouble, difficulty, challenge, question)
6
mystery(trouble, difficulty, challenge, question)
6
perplexity(question, secret, puzzle, mystery)
5
puzzle(trouble, difficulty, challenge, question)
5
puzzler(difficulty, challenge, question, problem)
5
sticker
5
toughie
4
brainteaser(difficulty, challenge, question, secret)
4
candidate(person, job)
4
knot(puzzle, riddle, enigma)
4
question(trouble, challenge, secret, puzzle)
3
campaigner
3
puzzlement(question, secret, puzzle, knot)
3
riddle(difficulty, challenge, question, problem)
3
twister(difficulty, challenge, question, problem)
3
vexed question(trouble, challenge, question)
2
butter
2
challenge(question, puzzle, mystery, riddle)
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APASmart Define. (2016). stumper thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stumper/thesaurus/synonyms
ChicagoSmart Define. 2016. "stumper thesaurus" https://smartdefine.org/stumper/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, stumper thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stumper/thesaurus/synonyms>.
MLASmart Define. "stumper thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/stumper/thesaurus/synonyms>