- Definitions|0
- Thesaurus|97
- Abbreviations|0
13 entries under inscrutableness topic. ×
| bewitchment(perplexity, abstruseness) | |
| confidential information(expression, perplexity, abstruseness) | |
| hocuspocus(perplexity, abstruseness) | |
| magic number(expression, perplexity, abstruseness) | |
| occultism(perplexity, abstruseness) | |
| privileged information(expression, perplexity, abstruseness) | |
| runes(perplexity, abstruseness) | |
| skeleton in cupboard(expression, idiom, perplexity, abstruseness) | |
| voodooism(perplexity, abstruseness) | |
| witchcraft(perplexity, abstruseness) | |
| witchery(perplexity, abstruseness) | |
| witching(perplexity, abstruseness) | |
| wizardry(perplexity, abstruseness) |
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| APA | Smart Define. (2011). tough nut to crack thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/tough_nut_to_crack/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "tough nut to crack thesaurus" https://smartdefine.org/tough_nut_to_crack/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2011, tough nut to crack thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/tough_nut_to_crack/thesaurus/synonyms>. |
| MLA | Smart Define. "tough nut to crack thesaurus" 23 May 2011. Web. 1 October 2026. <https://smartdefine.org/tough_nut_to_crack/thesaurus/synonyms> |