115 entries under difficulty topic. ×
| cryptogram(question, secret, puzzle, knot) | |
| dead end(noun, expression, trouble, pain) | |
| deadlock(noun, trouble, change, pain) | |
| deep water(noun, expression, trouble, pain) | |
| distress(noun, trouble, burden, pain) | |
| fix(noun, trouble, pain, struggle) | |
| frustration(noun, trouble, pain, struggle) | |
| grabber(question, secret, puzzle, knot) | |
| hardship(noun, trouble, burden, pain) | |
| hazard(noun, trouble, pain, struggle) | |
| hindrance(noun, trouble, pain, struggle) | |
| hot water(noun, expression, trouble, pain) | |
| hour of decision(noun, expression, idiom, trouble, change) | |
| impasse(noun, trouble, change, pain) | |
| inscrutability(question, secret, puzzle, obscurity) | |
| inscrutableness(question, secret, puzzle, obscurity) | |
| labor(noun, trouble, pain, struggle) | |
| laboriousness(noun, trouble, pain, struggle) | |
| mess(noun, trouble, change, pain) | |
| mindboggler(question, secret, puzzle, obscurity) |
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Crux on
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| APA | Smart Define. (2015). crux thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/crux/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "crux thesaurus" https://smartdefine.org/crux/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, crux thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/crux/thesaurus/synonyms>. |
| MLA | Smart Define. "crux thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/crux/thesaurus/synonyms> |