120 entries under noun topic. ×
| dark secret(expression, secret, puzzle, mystery) | |
| incertitude(issue, doubt, question) | |
| inconclusiveness(issue, doubt, question) | |
| ink crossword(expression, difficult, issue, secret) | |
| mindboggler(issue, doubt, question) | |
| pictorial puzzle(expression, difficult, issue, secret) | |
| privacy(secret, puzzle, mystery, riddle) | |
| aenigma(question, secret, puzzle, task) | |
| anomaly(issue, doubt, question) | |
| bitter fleabane(question, secret, puzzle, task) | |
| brain-twister(question, secret, puzzle, mystery) | |
| brain basher(difficult, issue, puzzle, mystery) | |
| brain teaser(question, secret, puzzle, task) | |
| chinese puzzle(difficult, issue, puzzle, mystery) | |
| difficult problem(question, puzzle, riddle) | |
| encryption(issue, doubt, question) | |
| mind-breaker(question, puzzle, riddle) | |
| mind-teaser(difficult, issue, puzzle, mystery) | |
| mindbender(difficult, issue, puzzle, mystery) | |
| puzzle problem(difficult, issue, puzzle, mystery) |
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| APA | Smart Define. (2016). enigma thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/enigma/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "enigma thesaurus" https://smartdefine.org/enigma/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, enigma thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/enigma/thesaurus/synonyms>. |
| MLA | Smart Define. "enigma thesaurus" 1 April 2016. Web. 29 September 2026. <https://smartdefine.org/enigma/thesaurus/synonyms> |