14 entries under question topic. ×

4
brain-teaser(noun, difficult, issue, task)
4
brain basher(noun, difficult, issue, task)
4
twister(noun, difficult, issue, task)
3
brainteaser(noun, difficult, issue, task)
3
conundrum(noun, difficult, issue, puzzle)
2
chinese puzzle(noun, difficult, issue, task)
2
eye teaser(noun, difficult, issue, task)
2
head-scratcher(noun, difficult, issue, task)
2
mind-teaser(noun, difficult, issue, task)
2
mindbender(noun, difficult, issue, task)
1
mindgames(noun, difficult, issue, task)
1
puzzler(noun, difficult, issue, task)
1
stumper(noun, difficult, issue, task)
1
teaser(noun, difficult, issue, task)
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APASmart Define. (2016). enigma thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/enigma/thesaurus/broader
ChicagoSmart Define. 2016. "enigma thesaurus" https://smartdefine.org/enigma/thesaurus/broader (accessed September 21, 2026).
HarvardSmart Define 2016, enigma thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/enigma/thesaurus/broader>.
MLASmart Define. "enigma thesaurus" 1 April 2016. Web. 21 September 2026. <https://smartdefine.org/enigma/thesaurus/broader>