56 entries under issue topic. ×

3
self-contradiction(noun, difficult, question, task)
2
confoundment(noun, difficult, question, task)
2
mystique(noun, difficult, question, task)
2
cross-word puzzle(noun, expression, difficult, secret)
2
incertitude(noun, doubt, question)
2
inconclusiveness(noun, doubt, question)
2
ink crossword(noun, expression, difficult, secret)
2
mindboggler(noun, doubt, question)
2
pictorial puzzle(noun, expression, difficult, secret)
1
anomaly(noun, doubt, question)
1
brain basher(noun, difficult, puzzle, mystery)
1
chinese puzzle(noun, difficult, puzzle, mystery)
1
encryption(noun, doubt, question)
1
mind-teaser(noun, difficult, puzzle, mystery)
1
mindbender(noun, difficult, puzzle, mystery)
1
puzzle problem(noun, difficult, puzzle, mystery)
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APASmart Define. (2016). enigma thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/enigma/thesaurus/synonyms
ChicagoSmart Define. 2016. "enigma thesaurus" https://smartdefine.org/enigma/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, enigma thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/enigma/thesaurus/synonyms>.
MLASmart Define. "enigma thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/enigma/thesaurus/synonyms>