53 entries under brain-twister topic. ×
| profound secret(expression, idiom, secret, mystery) | |
| puzzling thing(expression, idiom, secret, mystery) | |
| restricted information(expression, idiom, secret, mystery) | |
| unexplored ground(expression, idiom, secret, mystery) | |
| unexplored territory(expression, idiom, secret, mystery) | |
| aenigma(noun, question, secret, puzzle, task) | |
| bitter fleabane(noun, question, secret, puzzle, task) | |
| brain basher(noun, difficult, issue, puzzle, mystery) | |
| brain teaser(noun, question, secret, puzzle, task) | |
| chinese puzzle(noun, difficult, issue, puzzle, mystery) | |
| mind-teaser(noun, difficult, issue, puzzle, mystery) | |
| mindbender(noun, difficult, issue, puzzle, mystery) | |
| puzzle problem(noun, difficult, issue, puzzle, mystery) |
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| APA | Smart Define. (2016). enigma thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/enigma/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "enigma thesaurus" https://smartdefine.org/enigma/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, enigma thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/enigma/thesaurus/synonyms>. |
| MLA | Smart Define. "enigma thesaurus" 1 April 2016. Web. 1 October 2026. <https://smartdefine.org/enigma/thesaurus/synonyms> |