120 entries under noun topic. ×
| difficult question(trouble, challenge, question, puzzle) | |
| discord(verb, difficult, issue, think) | |
| inconsistency(difficult, issue, question, absurdity) | |
| knot(informal, question, secret, dilemma) | |
| nonsense(difficult, issue, question, absurdity) | |
| open question(expression, idiom, question, secret) | |
| parable(question, secret, dilemma, mystery) | |
| plain question(expression, idiom, question, secret) | |
| point in dispute(expression, idiom, question, secret) | |
| question at issue(expression, idiom, question, secret) | |
| screen(verb, difficult, issue, think) | |
| sealed book(expression, idiom, problem, secret) | |
| sixty-four dollar question(expression, idiom, question, secret) | |
| subject of controversy(expression, idiom, question, secret) | |
| subject of inquiry(expression, idiom, question, secret) | |
| Gordian knot(question, secret, dilemma, mystery) | |
| baffle(verb, difficult, issue, think) | |
| bother(verb, difficult, issue, think) | |
| confidence(difficult, issue, question, task) | |
| confusion(difficult, issue, question, puzzle) |
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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> |