31 entries under obscurity topic. ×

3
problem(noun, difficulty, challenge, question, secret)
3
riddle(noun, difficulty, challenge, question, problem)
2
grabber(noun, difficulty, challenge, question, problem)
2
mystery(noun, difficulty, challenge, doubt, question)
2
mystification(question, secret, puzzle, knot)
2
poser(noun, difficulty, challenge, question, secret)
2
puzzle(noun, difficulty, challenge, question, problem)
2
puzzlement(question, secret, puzzle, knot)
2
sixty-four-thousand-dollar question(expression, difficulty, question, secret, puzzle)
2
stumper(noun, difficulty, challenge, question, problem)
2
teaser(noun, difficulty, challenge, question, problem)
2
twister(noun, difficulty, challenge, question, problem)
1
abstruseness(difficulty, question, secret, puzzle)
1
brainteaser(noun, difficulty, challenge, question, secret)
1
braintwister(difficulty, question, secret, puzzle)
1
charade(difficulty, question, secret, puzzle)
1
chiller(difficulty, question, secret, puzzle)
1
difficulty(question, secret, puzzle, subtlety)
1
inscrutability(difficulty, question, secret, puzzle)
1
inscrutableness(difficulty, question, secret, puzzle)
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APASmart Define. (2016). stickler thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stickler/thesaurus/synonyms
ChicagoSmart Define. 2016. "stickler thesaurus" https://smartdefine.org/stickler/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, stickler thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stickler/thesaurus/synonyms>.
MLASmart Define. "stickler thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/stickler/thesaurus/synonyms>