120 entries under noun topic. ×
| riddle(trouble, show, difficulty, challenge) | |
| mystery(trouble, show, dispute, difficulty) | |
| conundrum(trouble, show, difficulty, difficult) | |
| puzzle(trouble, show, dispute, difficulty) | |
| secret(trouble, challenge, question, puzzle) | |
| problem(trouble, difficulty, issue, challenge) | |
| brain-teaser(trouble, difficult, issue, challenge) | |
| closed book(expression, idiom, trouble, challenge) | |
| paradox(trouble, challenge, question, problem) | |
| question(trouble, challenge, doubt, problem) | |
| puzzlement(trouble, challenge, question, secret) | |
| poser(trouble, difficulty, challenge, question) | |
| puzzler(show, difficulty, difficult, issue) | |
| arcanum(question, secret, dilemma, mystery) | |
| mystification(trouble, challenge, question, secret) | |
| perplexity(show, difficulty, question, secret) | |
| stumper(trouble, difficulty, difficult, issue) | |
| why(trouble, informal, challenge, question) | |
| dilemma(trouble, difficult, issue, challenge) | |
| crux(trouble, challenge, question, secret) |
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| APA | Smart Define. (2016). enigma thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/enigma/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "enigma thesaurus" https://smartdefine.org/enigma/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, enigma thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/enigma/thesaurus/synonyms>. |
| MLA | Smart Define. "enigma thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/enigma/thesaurus/synonyms> |