- Definitions|2
- Thesaurus|295
- Abbreviations|0
| keen insight(expression, idiom) | |
| magic number(expression, perplexity, inscrutableness) | |
| murkiness(noun, obscurity, vagueness, opacity, incomprehensibility) | |
| nonessential | |
| oblivion | |
| occultism(perplexity, inscrutableness) | |
| penetrating knowledge(expression, idiom) | |
| polysemousness(uncertainty, vagueness, haziness) | |
| polysemy(uncertainty, vagueness, haziness) | |
| privileged information(expression, perplexity, inscrutableness) | |
| puzzler(difficulty, question, puzzle, perplexity, mystery) | |
| runes(perplexity, inscrutableness) | |
| shade | |
| shadow | |
| skeleton in cupboard(expression, idiom, perplexity, inscrutableness) | |
| tergiversation(uncertainty, vagueness, haziness) | |
| uncertainty(obscurity, vagueness, haziness, opacity, incomprehensibility) | |
| unclearness(uncertainty, obscurity, vagueness, haziness, opacity) | |
| unimportance | |
| voodooism(perplexity, inscrutableness) |
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| APA | Smart Define. (2015). abstruseness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/abstruseness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "abstruseness thesaurus" https://smartdefine.org/abstruseness/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, abstruseness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/abstruseness/thesaurus/synonyms>. |
| MLA | Smart Define. "abstruseness thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/abstruseness/thesaurus/synonyms> |