Synonyms|145Antonyms|47|Broader|40Narrower|89Related|154

53 entries under brain-twister topic. ×

5
charade(noun, question, secret, puzzle)
5
crux criticorum(noun, expression, idiom, secret, brain)
5
rebus(noun, question, secret, puzzle)
4
brain twister(noun, expression, idiom, difficult, issue)
4
vexed question(noun, expression, idiom, trouble, challenge)
4
jigsaw puzzle(expression, idiom, secret, mystery)
3
classified information(expression, idiom, confidence, secret, mystery)
3
frontiers of knowledge(expression, idiom, secret, mystery)
3
matter of ignorance(expression, idiom, secret, mystery)
3
mysterious puzzle(expression, idiom, secret, mystery)
3
mystery of mysteries(expression, idiom, secret, mystery)
2
baffling mystery(expression, idiom, secret, mystery)
2
baffling problem(expression, idiom, secret, mystery)
2
confidential communication(expression, idiom, secret, mystery)
2
dark horse(expression, idiom, secret, mystery)
2
enigmatic question(expression, idiom, secret, mystery)
2
guarded secret(expression, idiom, secret, mystery)
2
perplexed question(expression, idiom, secret, mystery)
2
private matter(expression, idiom, secret, mystery)
2
privileged communication(expression, idiom, secret, mystery)
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APASmart Define. (2016). enigma thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/enigma/thesaurus/synonyms
ChicagoSmart Define. 2016. "enigma thesaurus" https://smartdefine.org/enigma/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, enigma thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/enigma/thesaurus/synonyms>.
MLASmart Define. "enigma thesaurus" 1 April 2016. Web. 30 September 2026. <https://smartdefine.org/enigma/thesaurus/synonyms>